1256221251

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{457}}^1\times {\mathrm{1669}}^1$

素因数の和:2196

約数の個数: 32

約数和(自身を含む): 1896852800

約数和(自身を除く): 640631549

約数列:

[1, 3, 9, 27, 61, 183, 457, 549, 1371, 1647, 1669, 4113, 5007, 12339, 15021, 27877, 45063, 83631, 101809, 250893, 305427, 752679, 762733, 916281, 2288199, 2748843, 6864597, 20593791, 46526713, 139580139, 418740417, 1256221251]

約数ペア:

[(1, 1256221251), (3, 418740417), (9, 139580139), (27, 46526713), (61, 20593791), (183, 6864597), (457, 2748843), (549, 2288199), (1371, 916281), (1647, 762733), (1669, 752679), (4113, 305427), (5007, 250893), (12339, 101809), (15021, 83631), (27877, 45063)]