156721929

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{33769}}^1$

素因数の和:33809

約数の個数: 32

約数和(自身を含む): 272321280

約数和(自身を除く): 115599351

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 33769, 101307, 236383, 438997, 574073, 709149, 1316991, 1722219, 3072979, 4018511, 7462949, 9218937, 12055533, 22388847, 52240643, 156721929]

約数ペア:

[(1, 156721929), (3, 52240643), (7, 22388847), (13, 12055533), (17, 9218937), (21, 7462949), (39, 4018511), (51, 3072979), (91, 1722219), (119, 1316991), (221, 709149), (273, 574073), (357, 438997), (663, 236383), (1547, 101307), (4641, 33769)]