2013878727

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{647}}^1$

素因数の和:1089

約数の個数: 64

約数和(自身を含む): 3503554560

約数和(自身を除く): 1489675833

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 383, 387, 647, 903, 1149, 1161, 1941, 2681, 2709, 3447, 4529, 5823, 8043, 8127, 10341, 13587, 16469, 17469, 24129, 27821, 40761, 49407, 72387, 83463, 115283, 122283, 148221, 194747, 247801, 250389, 345849, 444663, 584241, 743403, 751167, 1037547, 1734607, 1752723, 2230209, 3112641, 5203821, 5258169, 6690627, 10655443, 15611463, 31966329, 46834389, 74588101, 95898987, 223764303, 287696961, 671292909, 2013878727]

約数ペア:

[(1, 2013878727), (3, 671292909), (7, 287696961), (9, 223764303), (21, 95898987), (27, 74588101), (43, 46834389), (63, 31966329), (129, 15611463), (189, 10655443), (301, 6690627), (383, 5258169), (387, 5203821), (647, 3112641), (903, 2230209), (1149, 1752723), (1161, 1734607), (1941, 1037547), (2681, 751167), (2709, 743403), (3447, 584241), (4529, 444663), (5823, 345849), (8043, 250389), (8127, 247801), (10341, 194747), (13587, 148221), (16469, 122283), (17469, 115283), (24129, 83463), (27821, 72387), (40761, 49407)]