268404591

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{3917}}^1$

素因数の和:4191

約数の個数: 32

約数和(自身を含む): 442326528

約数和(自身を除く): 173921937

約数列:

[1, 3, 7, 13, 21, 39, 91, 251, 273, 753, 1757, 3263, 3917, 5271, 9789, 11751, 22841, 27419, 50921, 68523, 82257, 152763, 356447, 983167, 1069341, 2949501, 6882169, 12781171, 20646507, 38343513, 89468197, 268404591]

約数ペア:

[(1, 268404591), (3, 89468197), (7, 38343513), (13, 20646507), (21, 12781171), (39, 6882169), (91, 2949501), (251, 1069341), (273, 983167), (753, 356447), (1757, 152763), (3263, 82257), (3917, 68523), (5271, 50921), (9789, 27419), (11751, 22841)]