561042

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:518

約数の個数: 24

約数和(自身を含む): 1235520

約数和(自身を除く): 674478

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 439, 639, 878, 1278, 1317, 2634, 3951, 7902, 31169, 62338, 93507, 187014, 280521, 561042]

約数ペア:

[(1, 561042), (2, 280521), (3, 187014), (6, 93507), (9, 62338), (18, 31169), (71, 7902), (142, 3951), (213, 2634), (426, 1317), (439, 1278), (639, 878)]