189920451

素因数分解:

$3^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{31957}}^1$

素因数の和:32250

約数の個数: 16

約数和(自身を含む): 290434304

約数和(自身を除く): 100513853

約数列:

[1, 3, 7, 21, 283, 849, 1981, 5943, 31957, 95871, 223699, 671097, 9043831, 27131493, 63306817, 189920451]

約数ペア:

[(1, 189920451), (3, 63306817), (7, 27131493), (21, 9043831), (283, 671097), (849, 223699), (1981, 95871), (5943, 31957)]