405779985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 768226680

約数和(自身を除く): 362446695

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 229, 233, 507, 585, 687, 699, 845, 1145, 1165, 1521, 2061, 2097, 2535, 2977, 3029, 3435, 3495, 7605, 8931, 9087, 10305, 10485, 14885, 15145, 26793, 27261, 38701, 39377, 44655, 45435, 53357, 116103, 118131, 133965, 136305, 160071, 193505, 196885, 266785, 348309, 354393, 480213, 580515, 590655, 693641, 800355, 1741545, 1771965, 2080923, 2401065, 3468205, 6242769, 9017333, 10404615, 27051999, 31213845, 45086665, 81155997, 135259995, 405779985]

約数ペア:

[(1, 405779985), (3, 135259995), (5, 81155997), (9, 45086665), (13, 31213845), (15, 27051999), (39, 10404615), (45, 9017333), (65, 6242769), (117, 3468205), (169, 2401065), (195, 2080923), (229, 1771965), (233, 1741545), (507, 800355), (585, 693641), (687, 590655), (699, 580515), (845, 480213), (1145, 354393), (1165, 348309), (1521, 266785), (2061, 196885), (2097, 193505), (2535, 160071), (2977, 136305), (3029, 133965), (3435, 118131), (3495, 116103), (7605, 53357), (8931, 45435), (9087, 44655), (10305, 39377), (10485, 38701), (14885, 27261), (15145, 26793)]