258054561

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{7901}}^1$

素因数の和:8117

約数の個数: 24

約数和(自身を含む): 394467840

約数和(自身を除く): 136413279

約数列:

[1, 3, 9, 19, 57, 171, 191, 573, 1719, 3629, 7901, 10887, 23703, 32661, 71109, 150119, 450357, 1351071, 1509091, 4527273, 13581819, 28672729, 86018187, 258054561]

約数ペア:

[(1, 258054561), (3, 86018187), (9, 28672729), (19, 13581819), (57, 4527273), (171, 1509091), (191, 1351071), (573, 450357), (1719, 150119), (3629, 71109), (7901, 32661), (10887, 23703)]