405126

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:396

約数の個数: 24

約数和(自身を含む): 892944

約数和(自身を除く): 487818

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 317, 426, 634, 639, 951, 1278, 1902, 2853, 5706, 22507, 45014, 67521, 135042, 202563, 405126]

約数ペア:

[(1, 405126), (2, 202563), (3, 135042), (6, 67521), (9, 45014), (18, 22507), (71, 5706), (142, 2853), (213, 1902), (317, 1278), (426, 951), (634, 639)]