78131115

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{25163}}^1$

素因数の和:25200

約数の個数: 32

約数和(自身を含む): 144944640

約数和(自身を除く): 66813525

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 25163, 75489, 125815, 226467, 377445, 578749, 679401, 1132335, 1736247, 2893745, 3397005, 5208741, 8681235, 15626223, 26043705, 78131115]

約数ペア:

[(1, 78131115), (3, 26043705), (5, 15626223), (9, 8681235), (15, 5208741), (23, 3397005), (27, 2893745), (45, 1736247), (69, 1132335), (115, 679401), (135, 578749), (207, 377445), (345, 226467), (621, 125815), (1035, 75489), (3105, 25163)]