189670785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{2647}}^1$

素因数の和:2953

約数の個数: 32

約数和(自身を含む): 322589952

約数和(自身を除く): 132919167

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 281, 843, 1405, 2647, 4215, 4777, 7941, 13235, 14331, 23885, 39705, 44999, 71655, 134997, 224995, 674985, 743807, 2231421, 3719035, 11157105, 12644719, 37934157, 63223595, 189670785]

約数ペア:

[(1, 189670785), (3, 63223595), (5, 37934157), (15, 12644719), (17, 11157105), (51, 3719035), (85, 2231421), (255, 743807), (281, 674985), (843, 224995), (1405, 134997), (2647, 71655), (4215, 44999), (4777, 39705), (7941, 23885), (13235, 14331)]