81445287

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4463}}^1$

素因数の和:4563

約数の個数: 32

約数和(自身を含む): 137134080

約数和(自身を除く): 55688793

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 231, 237, 553, 869, 1659, 2607, 4463, 6083, 13389, 18249, 31241, 49093, 93723, 147279, 343651, 352577, 1030953, 1057731, 2468039, 3878347, 7404117, 11635041, 27148429, 81445287]

約数ペア:

[(1, 81445287), (3, 27148429), (7, 11635041), (11, 7404117), (21, 3878347), (33, 2468039), (77, 1057731), (79, 1030953), (231, 352577), (237, 343651), (553, 147279), (869, 93723), (1659, 49093), (2607, 31241), (4463, 18249), (6083, 13389)]