201720627

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:432

約数の個数: 36

約数和(自身を含む): 305788392

約数和(自身を除く): 104067765

約数列:

[1, 3, 9, 31, 83, 93, 249, 279, 281, 747, 843, 961, 2529, 2573, 2883, 7719, 8649, 8711, 23157, 23323, 26133, 69969, 78399, 79763, 209907, 239289, 270041, 717867, 723013, 810123, 2169039, 2430369, 6507117, 22413403, 67240209, 201720627]

約数ペア:

[(1, 201720627), (3, 67240209), (9, 22413403), (31, 6507117), (83, 2430369), (93, 2169039), (249, 810123), (279, 723013), (281, 717867), (747, 270041), (843, 239289), (961, 209907), (2529, 79763), (2573, 78399), (2883, 69969), (7719, 26133), (8649, 23323), (8711, 23157)]