71883315

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 157132800

約数和(自身を除く): 85249485

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 43, 45, 61, 63, 87, 105, 129, 135, 145, 183, 189, 203, 215, 261, 301, 305, 315, 387, 427, 435, 549, 609, 645, 783, 903, 915, 945, 1015, 1161, 1247, 1281, 1305, 1505, 1647, 1769, 1827, 1935, 2135, 2623, 2709, 2745, 3045, 3741, 3843, 3915, 4515, 5307, 5481, 5805, 6235, 6405, 7869, 8127, 8235, 8729, 8845, 9135, 11223, 11529, 12383, 13115, 13545, 15921, 18361, 18705, 19215, 23607, 26187, 26535, 27405, 33669, 37149, 39345, 40635, 43645, 47763, 55083, 56115, 57645, 61915, 70821, 76067, 78561, 79605, 91805, 111447, 118035, 130935, 165249, 168345, 185745, 228201, 235683, 238815, 275415, 334341, 354105, 380335, 392805, 495747, 532469, 557235, 684603, 826245, 1141005, 1178415, 1597407, 1671705, 2053809, 2478735, 2662345, 3423015, 4792221, 7987035, 10269045, 14376663, 23961105, 71883315]

約数ペア:

[(1, 71883315), (3, 23961105), (5, 14376663), (7, 10269045), (9, 7987035), (15, 4792221), (21, 3423015), (27, 2662345), (29, 2478735), (35, 2053809), (43, 1671705), (45, 1597407), (61, 1178415), (63, 1141005), (87, 826245), (105, 684603), (129, 557235), (135, 532469), (145, 495747), (183, 392805), (189, 380335), (203, 354105), (215, 334341), (261, 275415), (301, 238815), (305, 235683), (315, 228201), (387, 185745), (427, 168345), (435, 165249), (549, 130935), (609, 118035), (645, 111447), (783, 91805), (903, 79605), (915, 78561), (945, 76067), (1015, 70821), (1161, 61915), (1247, 57645), (1281, 56115), (1305, 55083), (1505, 47763), (1647, 43645), (1769, 40635), (1827, 39345), (1935, 37149), (2135, 33669), (2623, 27405), (2709, 26535), (2745, 26187), (3045, 23607), (3741, 19215), (3843, 18705), (3915, 18361), (4515, 15921), (5307, 13545), (5481, 13115), (5805, 12383), (6235, 11529), (6405, 11223), (7869, 9135), (8127, 8845), (8235, 8729)]