2015997555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{19997}}^1$

素因数の和:20076

約数の個数: 64

約数和(自身を含む): 3870332928

約数和(自身を除く): 1854335373

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 47, 55, 65, 141, 143, 165, 195, 235, 429, 517, 611, 705, 715, 1551, 1833, 2145, 2585, 3055, 6721, 7755, 9165, 19997, 20163, 33605, 59991, 99985, 100815, 219967, 259961, 299955, 659901, 779883, 939859, 1099835, 1299805, 2819577, 2859571, 3299505, 3899415, 4699295, 8578713, 10338449, 12218167, 14097885, 14297855, 31015347, 36654501, 42893565, 51692245, 61090835, 134399837, 155076735, 183272505, 403199511, 671999185, 2015997555]

約数ペア:

[(1, 2015997555), (3, 671999185), (5, 403199511), (11, 183272505), (13, 155076735), (15, 134399837), (33, 61090835), (39, 51692245), (47, 42893565), (55, 36654501), (65, 31015347), (141, 14297855), (143, 14097885), (165, 12218167), (195, 10338449), (235, 8578713), (429, 4699295), (517, 3899415), (611, 3299505), (705, 2859571), (715, 2819577), (1551, 1299805), (1833, 1099835), (2145, 939859), (2585, 779883), (3055, 659901), (6721, 299955), (7755, 259961), (9165, 219967), (19997, 100815), (20163, 99985), (33605, 59991)]