72181875

素因数分解:

$3^1\times 5^4\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 121573584

約数和(自身を除く): 49391709

約数列:

[1, 3, 5, 15, 25, 75, 125, 137, 281, 375, 411, 625, 685, 843, 1405, 1875, 2055, 3425, 4215, 7025, 10275, 17125, 21075, 35125, 38497, 51375, 85625, 105375, 115491, 175625, 192485, 256875, 526875, 577455, 962425, 2887275, 4812125, 14436375, 24060625, 72181875]

約数ペア:

[(1, 72181875), (3, 24060625), (5, 14436375), (15, 4812125), (25, 2887275), (75, 962425), (125, 577455), (137, 526875), (281, 256875), (375, 192485), (411, 175625), (625, 115491), (685, 105375), (843, 85625), (1405, 51375), (1875, 38497), (2055, 35125), (3425, 21075), (4215, 17125), (7025, 10275)]