8921781

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 14156064

約数和(自身を除く): 5234283

約数列:

[1, 3, 9, 11, 33, 99, 227, 397, 681, 1191, 2043, 2497, 3573, 4367, 7491, 13101, 22473, 39303, 90119, 270357, 811071, 991309, 2973927, 8921781]

約数ペア:

[(1, 8921781), (3, 2973927), (9, 991309), (11, 811071), (33, 270357), (99, 90119), (227, 39303), (397, 22473), (681, 13101), (1191, 7491), (2043, 4367), (2497, 3573)]