15420721

素因数分解:

${\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 16588800

約数和(自身を除く): 1168079

約数列:

[1, 29, 53, 79, 127, 1537, 2291, 3683, 4187, 6731, 10033, 121423, 195199, 290957, 531749, 15420721]

約数ペア:

[(1, 15420721), (29, 531749), (53, 290957), (79, 195199), (127, 121423), (1537, 10033), (2291, 6731), (3683, 4187)]