9902945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1163}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 12906432

約数和(自身を除く): 3003487

約数列:

[1, 5, 13, 65, 131, 655, 1163, 1703, 5815, 8515, 15119, 75595, 152353, 761765, 1980589, 9902945]

約数ペア:

[(1, 9902945), (5, 1980589), (13, 761765), (65, 152353), (131, 75595), (655, 15119), (1163, 8515), (1703, 5815)]