72473071

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^2$

素因数の和:331

約数の個数: 18

約数和(自身を含む): 82826016

約数和(自身を除く): 10352945

約数列:

[1, 11, 31, 121, 139, 341, 1529, 3751, 4309, 16819, 19321, 47399, 212531, 521389, 598951, 2337841, 6588461, 72473071]

約数ペア:

[(1, 72473071), (11, 6588461), (31, 2337841), (121, 598951), (139, 521389), (341, 212531), (1529, 47399), (3751, 19321), (4309, 16819)]