28643535

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20533}}^1$

素因数の和:20575

約数の個数: 24

約数和(自身を含む): 51252864

約数和(自身を除く): 22609329

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 20533, 61599, 102665, 184797, 307995, 636523, 923985, 1909569, 3182615, 5728707, 9547845, 28643535]

約数ペア:

[(1, 28643535), (3, 9547845), (5, 5728707), (9, 3182615), (15, 1909569), (31, 923985), (45, 636523), (93, 307995), (155, 184797), (279, 102665), (465, 61599), (1395, 20533)]