28104609

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{5501}}^1$

素因数の和:5648

約数の個数: 16

約数和(自身を含む): 40670784

約数和(自身を除く): 12566175

約数列:

[1, 3, 13, 39, 131, 393, 1703, 5109, 5501, 16503, 71513, 214539, 720631, 2161893, 9368203, 28104609]

約数ペア:

[(1, 28104609), (3, 9368203), (13, 2161893), (39, 720631), (131, 214539), (393, 71513), (1703, 16503), (5109, 5501)]