280139913

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{29009}}^1$

素因数の和:29081

約数の個数: 24

約数和(自身を含む): 429928200

約数和(自身を除く): 149788287

約数列:

[1, 3, 9, 29, 37, 87, 111, 261, 333, 1073, 3219, 9657, 29009, 87027, 261081, 841261, 1073333, 2523783, 3219999, 7571349, 9659997, 31126657, 93379971, 280139913]

約数ペア:

[(1, 280139913), (3, 93379971), (9, 31126657), (29, 9659997), (37, 7571349), (87, 3219999), (111, 2523783), (261, 1073333), (333, 841261), (1073, 261081), (3219, 87027), (9657, 29009)]