28645695

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2129}}^1$

素因数の和:2176

約数の個数: 48

約数和(自身を含む): 55823040

約数和(自身を除く): 27177345

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2129, 2691, 4485, 6387, 10645, 13455, 19161, 27677, 31935, 48967, 83031, 95805, 138385, 146901, 244835, 249093, 415155, 440703, 636571, 734505, 1245465, 1909713, 2203515, 3182855, 5729139, 9548565, 28645695]

約数ペア:

[(1, 28645695), (3, 9548565), (5, 5729139), (9, 3182855), (13, 2203515), (15, 1909713), (23, 1245465), (39, 734505), (45, 636571), (65, 440703), (69, 415155), (115, 249093), (117, 244835), (195, 146901), (207, 138385), (299, 95805), (345, 83031), (585, 48967), (897, 31935), (1035, 27677), (1495, 19161), (2129, 13455), (2691, 10645), (4485, 6387)]