81670425

素因数分解:

$3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{10177}}^1$

素因数の和:10297

約数の個数: 24

約数和(自身を含む): 136303776

約数和(自身を除く): 54633351

約数列:

[1, 3, 5, 15, 25, 75, 107, 321, 535, 1605, 2675, 8025, 10177, 30531, 50885, 152655, 254425, 763275, 1088939, 3266817, 5444695, 16334085, 27223475, 81670425]

約数ペア:

[(1, 81670425), (3, 27223475), (5, 16334085), (15, 5444695), (25, 3266817), (75, 1088939), (107, 763275), (321, 254425), (535, 152655), (1605, 50885), (2675, 30531), (8025, 10177)]