28734273

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1237}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 43453800

約数和(自身を除く): 14719527

約数列:

[1, 3, 9, 29, 87, 89, 261, 267, 801, 1237, 2581, 3711, 7743, 11133, 23229, 35873, 107619, 110093, 322857, 330279, 990837, 3192697, 9578091, 28734273]

約数ペア:

[(1, 28734273), (3, 9578091), (9, 3192697), (29, 990837), (87, 330279), (89, 322857), (261, 110093), (267, 107619), (801, 35873), (1237, 23229), (2581, 11133), (3711, 7743)]