11891475

素因数分解:

$3^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 22220800

約数和(自身を除く): 10329325

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 79, 135, 223, 225, 237, 395, 669, 675, 711, 1115, 1185, 1975, 2007, 2133, 3345, 3555, 5575, 5925, 6021, 10035, 10665, 16725, 17617, 17775, 30105, 50175, 52851, 53325, 88085, 150525, 158553, 264255, 440425, 475659, 792765, 1321275, 2378295, 3963825, 11891475]

約数ペア:

[(1, 11891475), (3, 3963825), (5, 2378295), (9, 1321275), (15, 792765), (25, 475659), (27, 440425), (45, 264255), (75, 158553), (79, 150525), (135, 88085), (223, 53325), (225, 52851), (237, 50175), (395, 30105), (669, 17775), (675, 17617), (711, 16725), (1115, 10665), (1185, 10035), (1975, 6021), (2007, 5925), (2133, 5575), (3345, 3555)]