154977277

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 198825984

約数和(自身を除く): 43848707

約数列:

[1, 7, 13, 31, 91, 137, 217, 401, 403, 959, 1781, 2807, 2821, 4247, 5213, 12431, 12467, 29729, 36491, 54937, 55211, 87017, 161603, 384559, 386477, 714181, 1131221, 1703047, 4999267, 11921329, 22139611, 154977277]

約数ペア:

[(1, 154977277), (7, 22139611), (13, 11921329), (31, 4999267), (91, 1703047), (137, 1131221), (217, 714181), (401, 386477), (403, 384559), (959, 161603), (1781, 87017), (2807, 55211), (2821, 54937), (4247, 36491), (5213, 29729), (12431, 12467)]