251036331

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{54091}}^1$

素因数の和:54131

約数の個数: 32

約数和(自身を含む): 436197888

約数和(自身を除く): 185161557

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 54091, 162273, 378637, 703183, 919547, 1135911, 2109549, 2758641, 4922281, 6436829, 11954111, 14766843, 19310487, 35862333, 83678777, 251036331]

約数ペア:

[(1, 251036331), (3, 83678777), (7, 35862333), (13, 19310487), (17, 14766843), (21, 11954111), (39, 6436829), (51, 4922281), (91, 2758641), (119, 2109549), (221, 1135911), (273, 919547), (357, 703183), (663, 378637), (1547, 162273), (4641, 54091)]