40347993

素因数分解:

$3^1\times 7^1\times {\mathrm{1223}}^1\times {\mathrm{1571}}^1$

素因数の和:2804

約数の個数: 16

約数和(自身を含む): 61572096

約数和(自身を除く): 21224103

約数列:

[1, 3, 7, 21, 1223, 1571, 3669, 4713, 8561, 10997, 25683, 32991, 1921333, 5763999, 13449331, 40347993]

約数ペア:

[(1, 40347993), (3, 13449331), (7, 5763999), (21, 1921333), (1223, 32991), (1571, 25683), (3669, 10997), (4713, 8561)]