28230237

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4111}}^1$

素因数の和:4233

約数の個数: 24

約数和(自身を含む): 47041280

約数和(自身を除く): 18811043

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 4111, 6867, 12333, 28777, 36999, 86331, 258993, 448099, 1344297, 3136693, 4032891, 9410079, 28230237]

約数ペア:

[(1, 28230237), (3, 9410079), (7, 4032891), (9, 3136693), (21, 1344297), (63, 448099), (109, 258993), (327, 86331), (763, 36999), (981, 28777), (2289, 12333), (4111, 6867)]