123784209

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{15299}}^1$

素因数の和:15365

約数の個数: 24

約数和(自身を含む): 190944000

約数和(自身を除く): 67159791

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 2697, 8091, 15299, 45897, 137691, 443671, 474269, 1331013, 1422807, 3993039, 4268421, 13753801, 41261403, 123784209]

約数ペア:

[(1, 123784209), (3, 41261403), (9, 13753801), (29, 4268421), (31, 3993039), (87, 1422807), (93, 1331013), (261, 474269), (279, 443671), (899, 137691), (2697, 45897), (8091, 15299)]