20138115

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 34407936

約数和(自身を除く): 14269821

約数列:

[1, 3, 5, 15, 17, 51, 85, 151, 255, 453, 523, 755, 1569, 2265, 2567, 2615, 7701, 7845, 8891, 12835, 26673, 38505, 44455, 78973, 133365, 236919, 394865, 1184595, 1342541, 4027623, 6712705, 20138115]

約数ペア:

[(1, 20138115), (3, 6712705), (5, 4027623), (15, 1342541), (17, 1184595), (51, 394865), (85, 236919), (151, 133365), (255, 78973), (453, 44455), (523, 38505), (755, 26673), (1569, 12835), (2265, 8891), (2567, 7845), (2615, 7701)]