165044985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{521}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 308489472

約数和(自身を除く): 143444487

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 431, 521, 735, 1293, 1563, 2155, 2605, 3017, 3647, 6465, 7815, 9051, 10941, 15085, 18235, 21119, 25529, 45255, 54705, 63357, 76587, 105595, 127645, 224551, 316785, 382935, 673653, 1122755, 1571857, 3368265, 4715571, 7859285, 11002999, 23577855, 33008997, 55014995, 165044985]

約数ペア:

[(1, 165044985), (3, 55014995), (5, 33008997), (7, 23577855), (15, 11002999), (21, 7859285), (35, 4715571), (49, 3368265), (105, 1571857), (147, 1122755), (245, 673653), (431, 382935), (521, 316785), (735, 224551), (1293, 127645), (1563, 105595), (2155, 76587), (2605, 63357), (3017, 54705), (3647, 45255), (6465, 25529), (7815, 21119), (9051, 18235), (10941, 15085)]