13305916827

素因数分解:

$3^2\times 7^2\times {\mathrm{30172147}}^1$

素因数の和:30172167

約数の個数: 18

約数和(自身を含む): 22357561668

約数和(自身を除く): 9051644841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 30172147, 90516441, 211205029, 271549323, 633615087, 1478435203, 1900845261, 4435305609, 13305916827]

約数ペア:

[(1, 13305916827), (3, 4435305609), (7, 1900845261), (9, 1478435203), (21, 633615087), (49, 271549323), (63, 211205029), (147, 90516441), (441, 30172147)]