8387955

素因数分解:

$3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 15246000

約数和(自身を除く): 6858045

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 149, 405, 417, 447, 695, 745, 1251, 1341, 2085, 2235, 3753, 4023, 6255, 6705, 11259, 12069, 18765, 20115, 20711, 56295, 60345, 62133, 103555, 186399, 310665, 559197, 931995, 1677591, 2795985, 8387955]

約数ペア:

[(1, 8387955), (3, 2795985), (5, 1677591), (9, 931995), (15, 559197), (27, 310665), (45, 186399), (81, 103555), (135, 62133), (139, 60345), (149, 56295), (405, 20711), (417, 20115), (447, 18765), (695, 12069), (745, 11259), (1251, 6705), (1341, 6255), (2085, 4023), (2235, 3753)]