17672421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{331}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 26158944

約数和(自身を除く): 8486523

約数列:

[1, 3, 13, 37, 39, 111, 331, 481, 993, 1369, 1443, 4107, 4303, 12247, 12909, 17797, 36741, 53391, 159211, 453139, 477633, 1359417, 5890807, 17672421]

約数ペア:

[(1, 17672421), (3, 5890807), (13, 1359417), (37, 477633), (39, 453139), (111, 159211), (331, 53391), (481, 36741), (993, 17797), (1369, 12909), (1443, 12247), (4107, 4303)]