81855921

素因数分解:

$3^1\times 7^3\times {\mathrm{79549}}^1$

素因数の和:79573

約数の個数: 16

約数和(自身を含む): 127280000

約数和(自身を除く): 45424079

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 79549, 238647, 556843, 1670529, 3897901, 11693703, 27285307, 81855921]

約数ペア:

[(1, 81855921), (3, 27285307), (7, 11693703), (21, 3897901), (49, 1670529), (147, 556843), (343, 238647), (1029, 79549)]