74965989

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 117006336

約数和(自身を除く): 42040347

約数列:

[1, 3, 7, 21, 71, 137, 213, 367, 411, 497, 959, 1101, 1491, 2569, 2877, 7707, 9727, 26057, 29181, 50279, 68089, 78171, 150837, 182399, 204267, 351953, 547197, 1055859, 3569809, 10709427, 24988663, 74965989]

約数ペア:

[(1, 74965989), (3, 24988663), (7, 10709427), (21, 3569809), (71, 1055859), (137, 547197), (213, 351953), (367, 204267), (411, 182399), (497, 150837), (959, 78171), (1101, 68089), (1491, 50279), (2569, 29181), (2877, 26057), (7707, 9727)]