51605505

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 107331840

約数和(自身を除く): 55726335

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 109, 135, 167, 189, 315, 327, 405, 501, 545, 567, 763, 835, 945, 981, 1169, 1503, 1635, 2289, 2505, 2835, 2943, 3507, 3815, 4509, 4905, 5845, 6867, 7515, 8829, 10521, 11445, 13527, 14715, 17535, 18203, 20601, 22545, 31563, 34335, 44145, 52605, 54609, 61803, 67635, 91015, 94689, 103005, 127421, 157815, 163827, 273045, 309015, 382263, 473445, 491481, 637105, 819135, 1146789, 1474443, 1911315, 2457405, 3440367, 5733945, 7372215, 10321101, 17201835, 51605505]

約数ペア:

[(1, 51605505), (3, 17201835), (5, 10321101), (7, 7372215), (9, 5733945), (15, 3440367), (21, 2457405), (27, 1911315), (35, 1474443), (45, 1146789), (63, 819135), (81, 637105), (105, 491481), (109, 473445), (135, 382263), (167, 309015), (189, 273045), (315, 163827), (327, 157815), (405, 127421), (501, 103005), (545, 94689), (567, 91015), (763, 67635), (835, 61803), (945, 54609), (981, 52605), (1169, 44145), (1503, 34335), (1635, 31563), (2289, 22545), (2505, 20601), (2835, 18203), (2943, 17535), (3507, 14715), (3815, 13527), (4509, 11445), (4905, 10521), (5845, 8829), (6867, 7515)]