64997391

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{2179}}^1$

素因数の和:2406

約数の個数: 16

約数和(自身を含む): 88664960

約数和(自身を除く): 23667569

約数列:

[1, 3, 61, 163, 183, 489, 2179, 6537, 9943, 29829, 132919, 355177, 398757, 1065531, 21665797, 64997391]

約数ペア:

[(1, 64997391), (3, 21665797), (61, 1065531), (163, 398757), (183, 355177), (489, 132919), (2179, 29829), (6537, 9943)]