13979925

素因数分解:

$3^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 26040000

約数和(自身を除く): 12060075

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 139, 149, 225, 417, 447, 675, 695, 745, 1251, 1341, 2085, 2235, 3475, 3725, 3753, 4023, 6255, 6705, 10425, 11175, 18765, 20115, 20711, 31275, 33525, 62133, 93825, 100575, 103555, 186399, 310665, 517775, 559197, 931995, 1553325, 2795985, 4659975, 13979925]

約数ペア:

[(1, 13979925), (3, 4659975), (5, 2795985), (9, 1553325), (15, 931995), (25, 559197), (27, 517775), (45, 310665), (75, 186399), (135, 103555), (139, 100575), (149, 93825), (225, 62133), (417, 33525), (447, 31275), (675, 20711), (695, 20115), (745, 18765), (1251, 11175), (1341, 10425), (2085, 6705), (2235, 6255), (3475, 4023), (3725, 3753)]