491490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:183

約数の個数: 48

約数和(自身を含む): 1317888

約数和(自身を除く): 826398

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 127, 129, 215, 254, 258, 381, 387, 430, 635, 645, 762, 774, 1143, 1270, 1290, 1905, 1935, 2286, 3810, 3870, 5461, 5715, 10922, 11430, 16383, 27305, 32766, 49149, 54610, 81915, 98298, 163830, 245745, 491490]

約数ペア:

[(1, 491490), (2, 245745), (3, 163830), (5, 98298), (6, 81915), (9, 54610), (10, 49149), (15, 32766), (18, 27305), (30, 16383), (43, 11430), (45, 10922), (86, 5715), (90, 5461), (127, 3870), (129, 3810), (215, 2286), (254, 1935), (258, 1905), (381, 1290), (387, 1270), (430, 1143), (635, 774), (645, 762)]