1387667043

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{710531}}^1$

素因数の和:710575

約数の個数: 24

約数和(自身を含む): 2364650496

約数和(自身を除く): 976983453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 710531, 2131593, 4973717, 6394779, 14921151, 22026461, 44763453, 66079383, 154185227, 198238149, 462555681, 1387667043]

約数ペア:

[(1, 1387667043), (3, 462555681), (7, 198238149), (9, 154185227), (21, 66079383), (31, 44763453), (63, 22026461), (93, 14921151), (217, 6394779), (279, 4973717), (651, 2131593), (1953, 710531)]