28420491

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{8527}}^1$

素因数の和:8642

約数の個数: 16

約数和(自身を含む): 41753088

約数和(自身を除く): 13332597

約数列:

[1, 3, 11, 33, 101, 303, 1111, 3333, 8527, 25581, 93797, 281391, 861227, 2583681, 9473497, 28420491]

約数ペア:

[(1, 28420491), (3, 9473497), (11, 2583681), (33, 861227), (101, 281391), (303, 93797), (1111, 25581), (3333, 8527)]