67215421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19963}}^1$

素因数の和:20020

約数の個数: 16

約数和(自身を含む): 84966784

約数和(自身を除く): 17751363

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 19963, 139741, 259519, 738631, 1816633, 5170417, 9602203, 67215421]

約数ペア:

[(1, 67215421), (7, 9602203), (13, 5170417), (37, 1816633), (91, 738631), (259, 259519), (481, 139741), (3367, 19963)]