28920441

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{8677}}^1$

素因数の和:8792

約数の個数: 16

約数和(自身を含む): 42487488

約数和(自身を除く): 13567047

約数列:

[1, 3, 11, 33, 101, 303, 1111, 3333, 8677, 26031, 95447, 286341, 876377, 2629131, 9640147, 28920441]

約数ペア:

[(1, 28920441), (3, 9640147), (11, 2629131), (33, 876377), (101, 286341), (303, 95447), (1111, 26031), (3333, 8677)]