215465943

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{11807}}^1$

素因数の和:11907

約数の個数: 32

約数和(自身を含む): 362741760

約数和(自身を除く): 147275817

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 231, 237, 553, 869, 1659, 2607, 6083, 11807, 18249, 35421, 82649, 129877, 247947, 389631, 909139, 932753, 2727417, 2798259, 6529271, 10260283, 19587813, 30780849, 71821981, 215465943]

約数ペア:

[(1, 215465943), (3, 71821981), (7, 30780849), (11, 19587813), (21, 10260283), (33, 6529271), (77, 2798259), (79, 2727417), (231, 932753), (237, 909139), (553, 389631), (869, 247947), (1659, 129877), (2607, 82649), (6083, 35421), (11807, 18249)]