388249917

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 591439296

約数和(自身を除く): 203189379

約数列:

[1, 3, 11, 33, 37, 111, 121, 137, 211, 363, 407, 411, 633, 1221, 1507, 2321, 4477, 4521, 5069, 6963, 7807, 13431, 15207, 16577, 23421, 25531, 28907, 49731, 55759, 76593, 85877, 86721, 167277, 257631, 317977, 613349, 944647, 953931, 1069559, 1840047, 2833941, 3208677, 3497747, 10493241, 11765149, 35295447, 129416639, 388249917]

約数ペア:

[(1, 388249917), (3, 129416639), (11, 35295447), (33, 11765149), (37, 10493241), (111, 3497747), (121, 3208677), (137, 2833941), (211, 1840047), (363, 1069559), (407, 953931), (411, 944647), (633, 613349), (1221, 317977), (1507, 257631), (2321, 167277), (4477, 86721), (4521, 85877), (5069, 76593), (6963, 55759), (7807, 49731), (13431, 28907), (15207, 25531), (16577, 23421)]