2591505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 5416320

約数和(自身を除く): 2824815

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 433, 665, 855, 1197, 1299, 1995, 2165, 3031, 3897, 5985, 6495, 8227, 9093, 15155, 19485, 24681, 27279, 41135, 45465, 57589, 74043, 123405, 136395, 172767, 287945, 370215, 518301, 863835, 2591505]

約数ペア:

[(1, 2591505), (3, 863835), (5, 518301), (7, 370215), (9, 287945), (15, 172767), (19, 136395), (21, 123405), (35, 74043), (45, 57589), (57, 45465), (63, 41135), (95, 27279), (105, 24681), (133, 19485), (171, 15155), (285, 9093), (315, 8227), (399, 6495), (433, 5985), (665, 3897), (855, 3031), (1197, 2165), (1299, 1995)]