72661275

素因数分解:

$3^2\times 5^2\times {\mathrm{322939}}^1$

素因数の和:322955

約数の個数: 18

約数和(自身を含む): 130144820

約数和(自身を除く): 57483545

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 322939, 968817, 1614695, 2906451, 4844085, 8073475, 14532255, 24220425, 72661275]

約数ペア:

[(1, 72661275), (3, 24220425), (5, 14532255), (9, 8073475), (15, 4844085), (25, 2906451), (45, 1614695), (75, 968817), (225, 322939)]