201530187

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{16477}}^1$

素因数の和:16640

約数の個数: 20

約数和(自身を含む): 303063376

約数和(自身を除く): 101533189

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 12231, 16477, 49431, 148293, 444879, 1334637, 2488027, 7464081, 22392243, 67176729, 201530187]

約数ペア:

[(1, 201530187), (3, 67176729), (9, 22392243), (27, 7464081), (81, 2488027), (151, 1334637), (453, 444879), (1359, 148293), (4077, 49431), (12231, 16477)]