1780287423

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{1279}}^1\times {\mathrm{20173}}^1$

素因数の和:21478

約数の個数: 16

約数和(自身を含む): 2478981120

約数和(自身を除く): 698693697

約数列:

[1, 3, 23, 69, 1279, 3837, 20173, 29417, 60519, 88251, 463979, 1391937, 25801267, 77403801, 593429141, 1780287423]

約数ペア:

[(1, 1780287423), (3, 593429141), (23, 77403801), (69, 25801267), (1279, 1391937), (3837, 463979), (20173, 88251), (29417, 60519)]