12900015

素因数分解:

$3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{653}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 22445280

約数和(自身を除く): 9545265

約数列:

[1, 3, 5, 9, 15, 45, 439, 653, 1317, 1959, 2195, 3265, 3951, 5877, 6585, 9795, 19755, 29385, 286667, 860001, 1433335, 2580003, 4300005, 12900015]

約数ペア:

[(1, 12900015), (3, 4300005), (5, 2580003), (9, 1433335), (15, 860001), (45, 286667), (439, 29385), (653, 19755), (1317, 9795), (1959, 6585), (2195, 5877), (3265, 3951)]