2001065475

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{293}}^1\times {\mathrm{2221}}^1$

素因数の和:2568

約数の個数: 48

約数和(自身を含む): 3402219744

約数和(自身を除く): 1401154269

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 293, 615, 879, 1025, 1465, 2221, 3075, 4395, 6663, 7325, 11105, 12013, 21975, 33315, 36039, 55525, 60065, 91061, 166575, 180195, 273183, 300325, 455305, 650753, 900975, 1365915, 1952259, 2276525, 3253765, 6829575, 9761295, 16268825, 26680873, 48806475, 80042619, 133404365, 400213095, 667021825, 2001065475]

約数ペア:

[(1, 2001065475), (3, 667021825), (5, 400213095), (15, 133404365), (25, 80042619), (41, 48806475), (75, 26680873), (123, 16268825), (205, 9761295), (293, 6829575), (615, 3253765), (879, 2276525), (1025, 1952259), (1465, 1365915), (2221, 900975), (3075, 650753), (4395, 455305), (6663, 300325), (7325, 273183), (11105, 180195), (12013, 166575), (21975, 91061), (33315, 60065), (36039, 55525)]