31801977

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{2351}}^1$

素因数の和:2530

約数の個数: 20

約数和(自身を含む): 47811456

約数和(自身を除く): 16009479

約数列:

[1, 3, 9, 27, 81, 167, 501, 1503, 2351, 4509, 7053, 13527, 21159, 63477, 190431, 392617, 1177851, 3533553, 10600659, 31801977]

約数ペア:

[(1, 31801977), (3, 10600659), (9, 3533553), (27, 1177851), (81, 392617), (167, 190431), (501, 63477), (1503, 21159), (2351, 13527), (4509, 7053)]