28804017

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 43747200

約数和(自身を除く): 14943183

約数列:

[1, 3, 11, 33, 41, 61, 123, 183, 349, 451, 671, 1047, 1353, 2013, 2501, 3839, 7503, 11517, 14309, 21289, 27511, 42927, 63867, 82533, 157399, 234179, 472197, 702537, 872849, 2618547, 9601339, 28804017]

約数ペア:

[(1, 28804017), (3, 9601339), (11, 2618547), (33, 872849), (41, 702537), (61, 472197), (123, 234179), (183, 157399), (349, 82533), (451, 63867), (671, 42927), (1047, 27511), (1353, 21289), (2013, 14309), (2501, 11517), (3839, 7503)]