31479723

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:376

約数の個数: 36

約数和(自身を含む): 50583624

約数和(自身を除く): 19103901

約数列:

[1, 3, 9, 11, 33, 99, 121, 137, 211, 363, 411, 633, 1089, 1233, 1507, 1899, 2321, 4521, 6963, 13563, 16577, 20889, 25531, 28907, 49731, 76593, 86721, 149193, 229779, 260163, 317977, 953931, 2861793, 3497747, 10493241, 31479723]

約数ペア:

[(1, 31479723), (3, 10493241), (9, 3497747), (11, 2861793), (33, 953931), (99, 317977), (121, 260163), (137, 229779), (211, 149193), (363, 86721), (411, 76593), (633, 49731), (1089, 28907), (1233, 25531), (1507, 20889), (1899, 16577), (2321, 13563), (4521, 6963)]