663642

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 1722240

約数和(自身を除く): 1058598

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 229, 322, 414, 458, 483, 687, 966, 1374, 1449, 1603, 2061, 2898, 3206, 4122, 4809, 5267, 9618, 10534, 14427, 15801, 28854, 31602, 36869, 47403, 73738, 94806, 110607, 221214, 331821, 663642]

約数ペア:

[(1, 663642), (2, 331821), (3, 221214), (6, 110607), (7, 94806), (9, 73738), (14, 47403), (18, 36869), (21, 31602), (23, 28854), (42, 15801), (46, 14427), (63, 10534), (69, 9618), (126, 5267), (138, 4809), (161, 4122), (207, 3206), (229, 2898), (322, 2061), (414, 1603), (458, 1449), (483, 1374), (687, 966)]