71998245

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{145451}}^1$

素因数の和:145473

約数の個数: 24

約数和(自身を含む): 136143072

約数和(自身を除く): 64144827

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 145451, 436353, 727255, 1309059, 1599961, 2181765, 4799883, 6545295, 7999805, 14399649, 23999415, 71998245]

約数ペア:

[(1, 71998245), (3, 23999415), (5, 14399649), (9, 7999805), (11, 6545295), (15, 4799883), (33, 2181765), (45, 1599961), (55, 1309059), (99, 727255), (165, 436353), (495, 145451)]