399924

素因数分解:

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

素因数の和:66

約数の個数: 72

約数和(自身を含む): 1238720

約数和(自身を除く): 838796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 84, 92, 108, 126, 138, 161, 189, 207, 252, 276, 322, 378, 414, 483, 529, 621, 644, 756, 828, 966, 1058, 1242, 1449, 1587, 1932, 2116, 2484, 2898, 3174, 3703, 4347, 4761, 5796, 6348, 7406, 8694, 9522, 11109, 14283, 14812, 17388, 19044, 22218, 28566, 33327, 44436, 57132, 66654, 99981, 133308, 199962, 399924]

約数ペア:

[(1, 399924), (2, 199962), (3, 133308), (4, 99981), (6, 66654), (7, 57132), (9, 44436), (12, 33327), (14, 28566), (18, 22218), (21, 19044), (23, 17388), (27, 14812), (28, 14283), (36, 11109), (42, 9522), (46, 8694), (54, 7406), (63, 6348), (69, 5796), (84, 4761), (92, 4347), (108, 3703), (126, 3174), (138, 2898), (161, 2484), (189, 2116), (207, 1932), (252, 1587), (276, 1449), (322, 1242), (378, 1058), (414, 966), (483, 828), (529, 756), (621, 644)]