71279775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 147323904

約数和(自身を除く): 76044129

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 167, 175, 225, 271, 315, 501, 525, 813, 835, 1169, 1355, 1503, 1575, 1897, 2439, 2505, 3507, 4065, 4175, 5691, 5845, 6775, 7515, 9485, 10521, 12195, 12525, 17073, 17535, 20325, 28455, 29225, 37575, 45257, 47425, 52605, 60975, 85365, 87675, 135771, 142275, 226285, 263025, 316799, 407313, 426825, 678855, 950397, 1131425, 1583995, 2036565, 2851191, 3394275, 4751985, 7919975, 10182825, 14255955, 23759925, 71279775]

約数ペア:

[(1, 71279775), (3, 23759925), (5, 14255955), (7, 10182825), (9, 7919975), (15, 4751985), (21, 3394275), (25, 2851191), (35, 2036565), (45, 1583995), (63, 1131425), (75, 950397), (105, 678855), (167, 426825), (175, 407313), (225, 316799), (271, 263025), (315, 226285), (501, 142275), (525, 135771), (813, 87675), (835, 85365), (1169, 60975), (1355, 52605), (1503, 47425), (1575, 45257), (1897, 37575), (2439, 29225), (2505, 28455), (3507, 20325), (4065, 17535), (4175, 17073), (5691, 12525), (5845, 12195), (6775, 10521), (7515, 9485)]