81427122

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 223011360

約数和(自身を除く): 141584238

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 43, 49, 57, 63, 86, 98, 113, 114, 126, 129, 133, 147, 171, 226, 258, 266, 294, 301, 339, 342, 387, 399, 441, 602, 678, 774, 791, 798, 817, 882, 903, 931, 1017, 1197, 1582, 1634, 1806, 1862, 2034, 2107, 2147, 2373, 2394, 2451, 2709, 2793, 4214, 4294, 4746, 4859, 4902, 5418, 5537, 5586, 5719, 6321, 6441, 7119, 7353, 8379, 9718, 11074, 11438, 12642, 12882, 14238, 14577, 14706, 15029, 16611, 16758, 17157, 18963, 19323, 29154, 30058, 33222, 34013, 34314, 37926, 38646, 40033, 43731, 45087, 49833, 51471, 68026, 80066, 87462, 90174, 92321, 99666, 102039, 102942, 105203, 120099, 135261, 184642, 204078, 210406, 238091, 240198, 270522, 276963, 306117, 315609, 360297, 476182, 553926, 612234, 631218, 646247, 714273, 720594, 830889, 946827, 1292494, 1428546, 1661778, 1893654, 1938741, 2142819, 3877482, 4285638, 4523729, 5816223, 9047458, 11632446, 13571187, 27142374, 40713561, 81427122]

約数ペア:

[(1, 81427122), (2, 40713561), (3, 27142374), (6, 13571187), (7, 11632446), (9, 9047458), (14, 5816223), (18, 4523729), (19, 4285638), (21, 3877482), (38, 2142819), (42, 1938741), (43, 1893654), (49, 1661778), (57, 1428546), (63, 1292494), (86, 946827), (98, 830889), (113, 720594), (114, 714273), (126, 646247), (129, 631218), (133, 612234), (147, 553926), (171, 476182), (226, 360297), (258, 315609), (266, 306117), (294, 276963), (301, 270522), (339, 240198), (342, 238091), (387, 210406), (399, 204078), (441, 184642), (602, 135261), (678, 120099), (774, 105203), (791, 102942), (798, 102039), (817, 99666), (882, 92321), (903, 90174), (931, 87462), (1017, 80066), (1197, 68026), (1582, 51471), (1634, 49833), (1806, 45087), (1862, 43731), (2034, 40033), (2107, 38646), (2147, 37926), (2373, 34314), (2394, 34013), (2451, 33222), (2709, 30058), (2793, 29154), (4214, 19323), (4294, 18963), (4746, 17157), (4859, 16758), (4902, 16611), (5418, 15029), (5537, 14706), (5586, 14577), (5719, 14238), (6321, 12882), (6441, 12642), (7119, 11438), (7353, 11074), (8379, 9718)]