138561018

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{211867}}^1$

素因数の和:211981

約数の個数: 16

約数和(自身を含む): 279665760

約数和(自身を除く): 141104742

約数列:

[1, 2, 3, 6, 109, 218, 327, 654, 211867, 423734, 635601, 1271202, 23093503, 46187006, 69280509, 138561018]

約数ペア:

[(1, 138561018), (2, 69280509), (3, 46187006), (6, 23093503), (109, 1271202), (218, 635601), (327, 423734), (654, 211867)]