13457997

素因数分解:

$3^2\times 7^2\times {\mathrm{30517}}^1$

素因数の和:30537

約数の個数: 18

約数和(自身を含む): 22613838

約数和(自身を除く): 9155841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 30517, 91551, 213619, 274653, 640857, 1495333, 1922571, 4485999, 13457997]

約数ペア:

[(1, 13457997), (3, 4485999), (7, 1922571), (9, 1495333), (21, 640857), (49, 274653), (63, 213619), (147, 91551), (441, 30517)]