780427011

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1237}}^1\times {\mathrm{2311}}^1$

素因数の和:3571

約数の個数: 32

約数和(自身を含む): 1282290688

約数和(自身を除く): 501863677

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1237, 2311, 3711, 6933, 8659, 16081, 16177, 25977, 30043, 48243, 48531, 90129, 112567, 210301, 337701, 630903, 2858707, 8576121, 20010949, 37163191, 60032847, 111489573, 260142337, 780427011]

約数ペア:

[(1, 780427011), (3, 260142337), (7, 111489573), (13, 60032847), (21, 37163191), (39, 20010949), (91, 8576121), (273, 2858707), (1237, 630903), (2311, 337701), (3711, 210301), (6933, 112567), (8659, 90129), (16081, 48531), (16177, 48243), (25977, 30043)]