258432447

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{1231}}^1$

素因数の和:2023

約数の個数: 32

約数和(自身を含む): 424990720

約数和(自身を除く): 166558273

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 769, 1231, 2307, 3693, 5383, 8617, 9997, 16003, 16149, 25851, 29991, 48009, 69979, 112021, 209937, 336063, 946639, 2839917, 6626473, 12306307, 19879419, 36918921, 86144149, 258432447]

約数ペア:

[(1, 258432447), (3, 86144149), (7, 36918921), (13, 19879419), (21, 12306307), (39, 6626473), (91, 2839917), (273, 946639), (769, 336063), (1231, 209937), (2307, 112021), (3693, 69979), (5383, 48009), (8617, 29991), (9997, 25851), (16003, 16149)]