420651

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 758784

約数和(自身を除く): 338133

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 607, 693, 1821, 4249, 5463, 6677, 12747, 20031, 38241, 46739, 60093, 140217, 420651]

約数ペア:

[(1, 420651), (3, 140217), (7, 60093), (9, 46739), (11, 38241), (21, 20031), (33, 12747), (63, 6677), (77, 5463), (99, 4249), (231, 1821), (607, 693)]