12784905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 26449920

約数和(自身を除く): 13665015

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 83, 105, 135, 163, 189, 249, 315, 415, 489, 581, 747, 815, 945, 1141, 1245, 1467, 1743, 2241, 2445, 2905, 3423, 3735, 4401, 5229, 5705, 7335, 8715, 10269, 11205, 13529, 15687, 17115, 22005, 26145, 30807, 40587, 51345, 67645, 78435, 94703, 121761, 154035, 202935, 284109, 365283, 473515, 608805, 852327, 1420545, 1826415, 2556981, 4261635, 12784905]

約数ペア:

[(1, 12784905), (3, 4261635), (5, 2556981), (7, 1826415), (9, 1420545), (15, 852327), (21, 608805), (27, 473515), (35, 365283), (45, 284109), (63, 202935), (83, 154035), (105, 121761), (135, 94703), (163, 78435), (189, 67645), (249, 51345), (315, 40587), (415, 30807), (489, 26145), (581, 22005), (747, 17115), (815, 15687), (945, 13529), (1141, 11205), (1245, 10269), (1467, 8715), (1743, 7335), (2241, 5705), (2445, 5229), (2905, 4401), (3423, 3735)]