81109308

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{137941}}^1$

素因数の和:137962

約数の個数: 36

約数和(自身を含む): 220155432

約数和(自身を除く): 139046124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 137941, 275882, 413823, 551764, 827646, 965587, 1655292, 1931174, 2896761, 3862348, 5793522, 6759109, 11587044, 13518218, 20277327, 27036436, 40554654, 81109308]

約数ペア:

[(1, 81109308), (2, 40554654), (3, 27036436), (4, 20277327), (6, 13518218), (7, 11587044), (12, 6759109), (14, 5793522), (21, 3862348), (28, 2896761), (42, 1931174), (49, 1655292), (84, 965587), (98, 827646), (147, 551764), (196, 413823), (294, 275882), (588, 137941)]