415188891

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{272971}}^1$

素因数の和:273003

約数の個数: 18

約数和(自身を含む): 649400388

約数和(自身を除く): 234211497

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 272971, 818913, 2456739, 3548623, 10645869, 31937607, 46132099, 138396297, 415188891]

約数ペア:

[(1, 415188891), (3, 138396297), (9, 46132099), (13, 31937607), (39, 10645869), (117, 3548623), (169, 2456739), (507, 818913), (1521, 272971)]