390757665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{4001}}^1$

素因数の和:4409

約数の個数: 32

約数和(自身を含む): 663883776

約数和(自身を除く): 273126111

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 383, 1149, 1915, 4001, 5745, 6511, 12003, 19533, 20005, 32555, 60015, 68017, 97665, 204051, 340085, 1020255, 1532383, 4597149, 7661915, 22985745, 26050511, 78151533, 130252555, 390757665]

約数ペア:

[(1, 390757665), (3, 130252555), (5, 78151533), (15, 26050511), (17, 22985745), (51, 7661915), (85, 4597149), (255, 1532383), (383, 1020255), (1149, 340085), (1915, 204051), (4001, 97665), (5745, 68017), (6511, 60015), (12003, 32555), (19533, 20005)]