212980977

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{40591}}^1$

素因数の和:40661

約数の個数: 24

約数和(自身を含む): 341947008

約数和(自身を除く): 128966031

約数列:

[1, 3, 9, 11, 33, 53, 99, 159, 477, 583, 1749, 5247, 40591, 121773, 365319, 446501, 1339503, 2151323, 4018509, 6453969, 19361907, 23664553, 70993659, 212980977]

約数ペア:

[(1, 212980977), (3, 70993659), (9, 23664553), (11, 19361907), (33, 6453969), (53, 4018509), (99, 2151323), (159, 1339503), (477, 446501), (583, 365319), (1749, 121773), (5247, 40591)]