312688509

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{7727}}^1$

素因数の和:7825

約数の個数: 32

約数和(自身を含む): 498548736

約数和(自身を除く): 185860227

約数列:

[1, 3, 7, 21, 41, 47, 123, 141, 287, 329, 861, 987, 1927, 5781, 7727, 13489, 23181, 40467, 54089, 162267, 316807, 363169, 950421, 1089507, 2217649, 2542183, 6652947, 7626549, 14889929, 44669787, 104229503, 312688509]

約数ペア:

[(1, 312688509), (3, 104229503), (7, 44669787), (21, 14889929), (41, 7626549), (47, 6652947), (123, 2542183), (141, 2217649), (287, 1089507), (329, 950421), (861, 363169), (987, 316807), (1927, 162267), (5781, 54089), (7727, 40467), (13489, 23181)]