15960815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^2$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 21533568

約数和(自身を除く): 5572753

約数列:

[1, 5, 13, 31, 65, 89, 155, 403, 445, 1157, 2015, 2759, 5785, 7921, 13795, 35867, 39605, 102973, 179335, 245551, 514865, 1227755, 3192163, 15960815]

約数ペア:

[(1, 15960815), (5, 3192163), (13, 1227755), (31, 514865), (65, 245551), (89, 179335), (155, 102973), (403, 39605), (445, 35867), (1157, 13795), (2015, 7921), (2759, 5785)]