31986123

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 48437760

約数和(自身を除く): 16451637

約数列:

[1, 3, 13, 23, 39, 69, 169, 211, 299, 507, 633, 897, 2197, 2743, 3887, 4853, 6591, 8229, 11661, 14559, 35659, 50531, 63089, 106977, 151593, 189267, 463567, 820157, 1390701, 2460471, 10662041, 31986123]

約数ペア:

[(1, 31986123), (3, 10662041), (13, 2460471), (23, 1390701), (39, 820157), (69, 463567), (169, 189267), (211, 151593), (299, 106977), (507, 63089), (633, 50531), (897, 35659), (2197, 14559), (2743, 11661), (3887, 8229), (4853, 6591)]