521226

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1259}}^1$

素因数の和:1290

約数の個数: 24

約数和(自身を含む): 1179360

約数和(自身を除く): 658134

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 1259, 2518, 3777, 7554, 11331, 22662, 28957, 57914, 86871, 173742, 260613, 521226]

約数ペア:

[(1, 521226), (2, 260613), (3, 173742), (6, 86871), (9, 57914), (18, 28957), (23, 22662), (46, 11331), (69, 7554), (138, 3777), (207, 2518), (414, 1259)]