28941111

素因数分解:

$3^3\times {\mathrm{503}}^1\times {\mathrm{2131}}^1$

素因数の和:2643

約数の個数: 16

約数和(自身を含む): 42981120

約数和(自身を除く): 14040009

約数列:

[1, 3, 9, 27, 503, 1509, 2131, 4527, 6393, 13581, 19179, 57537, 1071893, 3215679, 9647037, 28941111]

約数ペア:

[(1, 28941111), (3, 9647037), (9, 3215679), (27, 1071893), (503, 57537), (1509, 19179), (2131, 13581), (4527, 6393)]