1227213

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 2024568

約数和(自身を除く): 797355

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 617, 663, 1851, 1989, 5553, 8021, 10489, 24063, 31467, 72189, 94401, 136357, 409071, 1227213]

約数ペア:

[(1, 1227213), (3, 409071), (9, 136357), (13, 94401), (17, 72189), (39, 31467), (51, 24063), (117, 10489), (153, 8021), (221, 5553), (617, 1989), (663, 1851)]