521567253

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{6983}}^1$

素因数の和:7225

約数の個数: 24

約数和(自身を含む): 775000512

約数和(自身を除く): 253433259

約数列:

[1, 3, 9, 43, 129, 193, 387, 579, 1737, 6983, 8299, 20949, 24897, 62847, 74691, 300269, 900807, 1347719, 2702421, 4043157, 12129471, 57951917, 173855751, 521567253]

約数ペア:

[(1, 521567253), (3, 173855751), (9, 57951917), (43, 12129471), (129, 4043157), (193, 2702421), (387, 1347719), (579, 900807), (1737, 300269), (6983, 74691), (8299, 62847), (20949, 24897)]