27721915

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:703

約数の個数: 24

約数和(自身を含む): 36761040

約数和(自身を除く): 9039125

約数列:

[1, 5, 13, 53, 65, 169, 265, 619, 689, 845, 3095, 3445, 8047, 8957, 32807, 40235, 44785, 104611, 164035, 426491, 523055, 2132455, 5544383, 27721915]

約数ペア:

[(1, 27721915), (5, 5544383), (13, 2132455), (53, 523055), (65, 426491), (169, 164035), (265, 104611), (619, 44785), (689, 40235), (845, 32807), (3095, 8957), (3445, 8047)]