642548538

素因数分解:

$2^1\times 3^4\times {\mathrm{3966349}}^1$

素因数の和:3966363

約数の個数: 20

約数和(自身を含む): 1439785050

約数和(自身を除く): 797236512

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 3966349, 7932698, 11899047, 23798094, 35697141, 71394282, 107091423, 214182846, 321274269, 642548538]

約数ペア:

[(1, 642548538), (2, 321274269), (3, 214182846), (6, 107091423), (9, 71394282), (18, 35697141), (27, 23798094), (54, 11899047), (81, 7932698), (162, 3966349)]