12886875

素因数分解:

$3^2\times 5^4\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 60

約数和(自身を含む): 24367200

約数和(自身を除く): 11480325

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 79, 87, 125, 145, 225, 237, 261, 375, 395, 435, 625, 711, 725, 1125, 1185, 1305, 1875, 1975, 2175, 2291, 3555, 3625, 5625, 5925, 6525, 6873, 9875, 10875, 11455, 17775, 18125, 20619, 29625, 32625, 34365, 49375, 54375, 57275, 88875, 103095, 148125, 163125, 171825, 286375, 444375, 515475, 859125, 1431875, 2577375, 4295625, 12886875]

約数ペア:

[(1, 12886875), (3, 4295625), (5, 2577375), (9, 1431875), (15, 859125), (25, 515475), (29, 444375), (45, 286375), (75, 171825), (79, 163125), (87, 148125), (125, 103095), (145, 88875), (225, 57275), (237, 54375), (261, 49375), (375, 34365), (395, 32625), (435, 29625), (625, 20619), (711, 18125), (725, 17775), (1125, 11455), (1185, 10875), (1305, 9875), (1875, 6873), (1975, 6525), (2175, 5925), (2291, 5625), (3555, 3625)]