74490975

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{653}}^1$

素因数の和:698

約数の個数: 72

約数和(自身を含む): 148405680

約数和(自身を除く): 73914705

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 169, 195, 225, 325, 351, 507, 585, 653, 675, 845, 975, 1521, 1755, 1959, 2535, 2925, 3265, 4225, 4563, 5877, 7605, 8489, 8775, 9795, 12675, 16325, 17631, 22815, 25467, 29385, 38025, 42445, 48975, 76401, 88155, 110357, 114075, 127335, 146925, 212225, 229203, 331071, 382005, 440775, 551785, 636675, 993213, 1146015, 1655355, 1910025, 2758925, 2979639, 4966065, 5730075, 8276775, 14898195, 24830325, 74490975]

約数ペア:

[(1, 74490975), (3, 24830325), (5, 14898195), (9, 8276775), (13, 5730075), (15, 4966065), (25, 2979639), (27, 2758925), (39, 1910025), (45, 1655355), (65, 1146015), (75, 993213), (117, 636675), (135, 551785), (169, 440775), (195, 382005), (225, 331071), (325, 229203), (351, 212225), (507, 146925), (585, 127335), (653, 114075), (675, 110357), (845, 88155), (975, 76401), (1521, 48975), (1755, 42445), (1959, 38025), (2535, 29385), (2925, 25467), (3265, 22815), (4225, 17631), (4563, 16325), (5877, 12675), (7605, 9795), (8489, 8775)]