258605379

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:793

約数の個数: 40

約数和(自身を含む): 401681280

約数和(自身を除く): 143075901

約数列:

[1, 3, 9, 27, 31, 81, 93, 181, 279, 543, 569, 837, 1629, 1707, 2511, 4887, 5121, 5611, 14661, 15363, 16833, 17639, 46089, 50499, 52917, 102989, 151497, 158751, 308967, 454491, 476253, 926901, 1428759, 2780703, 3192659, 8342109, 9577977, 28733931, 86201793, 258605379]

約数ペア:

[(1, 258605379), (3, 86201793), (9, 28733931), (27, 9577977), (31, 8342109), (81, 3192659), (93, 2780703), (181, 1428759), (279, 926901), (543, 476253), (569, 454491), (837, 308967), (1629, 158751), (1707, 151497), (2511, 102989), (4887, 52917), (5121, 50499), (5611, 46089), (14661, 17639), (15363, 16833)]