71979915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5233}}^1$

素因数の和:5379

約数の個数: 32

約数和(自身を含む): 132650496

約数和(自身を除く): 60670581

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1965, 2751, 4585, 5233, 13755, 15699, 26165, 36631, 78495, 109893, 183155, 549465, 685523, 2056569, 3427615, 4798661, 10282845, 14395983, 23993305, 71979915]

約数ペア:

[(1, 71979915), (3, 23993305), (5, 14395983), (7, 10282845), (15, 4798661), (21, 3427615), (35, 2056569), (105, 685523), (131, 549465), (393, 183155), (655, 109893), (917, 78495), (1965, 36631), (2751, 26165), (4585, 15699), (5233, 13755)]