28821969

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{10039}}^1$

素因数の和:10085

約数の個数: 24

約数和(自身を含む): 46987200

約数和(自身を除く): 18165231

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 10039, 30117, 90351, 110429, 291131, 331287, 873393, 993861, 2620179, 3202441, 9607323, 28821969]

約数ペア:

[(1, 28821969), (3, 9607323), (9, 3202441), (11, 2620179), (29, 993861), (33, 873393), (87, 331287), (99, 291131), (261, 110429), (319, 90351), (957, 30117), (2871, 10039)]