31090365

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:104

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 35264835

約数列:

[1, 3, 5, 9, 15, 17, 19, 23, 27, 31, 45, 51, 57, 69, 85, 93, 95, 115, 135, 153, 155, 171, 207, 255, 279, 285, 323, 345, 391, 437, 459, 465, 513, 527, 589, 621, 713, 765, 837, 855, 969, 1035, 1173, 1311, 1395, 1581, 1615, 1767, 1955, 2139, 2185, 2295, 2565, 2635, 2907, 2945, 3105, 3519, 3565, 3933, 4185, 4743, 4845, 5301, 5865, 6417, 6555, 7429, 7905, 8721, 8835, 10013, 10557, 10695, 11799, 12121, 13547, 14229, 14535, 15903, 17595, 19251, 19665, 22287, 23715, 26505, 30039, 32085, 36363, 37145, 40641, 43605, 50065, 52785, 58995, 60605, 66861, 67735, 71145, 79515, 90117, 96255, 109089, 111435, 121923, 150195, 181815, 200583, 203205, 230299, 270351, 327267, 334305, 365769, 450585, 545445, 609615, 690897, 1002915, 1151495, 1351755, 1636335, 1828845, 2072691, 3454485, 6218073, 10363455, 31090365]

約数ペア:

[(1, 31090365), (3, 10363455), (5, 6218073), (9, 3454485), (15, 2072691), (17, 1828845), (19, 1636335), (23, 1351755), (27, 1151495), (31, 1002915), (45, 690897), (51, 609615), (57, 545445), (69, 450585), (85, 365769), (93, 334305), (95, 327267), (115, 270351), (135, 230299), (153, 203205), (155, 200583), (171, 181815), (207, 150195), (255, 121923), (279, 111435), (285, 109089), (323, 96255), (345, 90117), (391, 79515), (437, 71145), (459, 67735), (465, 66861), (513, 60605), (527, 58995), (589, 52785), (621, 50065), (713, 43605), (765, 40641), (837, 37145), (855, 36363), (969, 32085), (1035, 30039), (1173, 26505), (1311, 23715), (1395, 22287), (1581, 19665), (1615, 19251), (1767, 17595), (1955, 15903), (2139, 14535), (2185, 14229), (2295, 13547), (2565, 12121), (2635, 11799), (2907, 10695), (2945, 10557), (3105, 10013), (3519, 8835), (3565, 8721), (3933, 7905), (4185, 7429), (4743, 6555), (4845, 6417), (5301, 5865)]