12715521

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 21331968

約数和(自身を除く): 8616447

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 991, 1833, 2973, 4277, 6937, 12831, 12883, 20811, 38649, 46577, 90181, 139731, 270543, 326039, 605501, 978117, 1816503, 4238507, 12715521]

約数ペア:

[(1, 12715521), (3, 4238507), (7, 1816503), (13, 978117), (21, 605501), (39, 326039), (47, 270543), (91, 139731), (141, 90181), (273, 46577), (329, 38649), (611, 20811), (987, 12883), (991, 12831), (1833, 6937), (2973, 4277)]