128647617

素因数分解:

$3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{15277}}^1$

素因数の和:15688

約数の個数: 16

約数和(自身を含む): 196536192

約数和(自身を除く): 67888575

約数列:

[1, 3, 7, 21, 401, 1203, 2807, 8421, 15277, 45831, 106939, 320817, 6126077, 18378231, 42882539, 128647617]

約数ペア:

[(1, 128647617), (3, 42882539), (7, 18378231), (21, 6126077), (401, 320817), (1203, 106939), (2807, 45831), (8421, 15277)]