251282007

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{12071}}^1$

素因数の和:12340

約数の個数: 20

約数和(自身を含む): 376863696

約数和(自身を除く): 125581689

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 6939, 12071, 20817, 36213, 108639, 325917, 977751, 3102247, 9306741, 27920223, 83760669, 251282007]

約数ペア:

[(1, 251282007), (3, 83760669), (9, 27920223), (27, 9306741), (81, 3102247), (257, 977751), (771, 325917), (2313, 108639), (6939, 36213), (12071, 20817)]