25168869

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 16763931

約数列:

[1, 3, 9, 11, 31, 33, 59, 93, 99, 139, 177, 279, 341, 417, 531, 649, 1023, 1251, 1529, 1829, 1947, 3069, 4309, 4587, 5487, 5841, 8201, 12927, 13761, 16461, 20119, 24603, 38781, 47399, 60357, 73809, 90211, 142197, 181071, 254231, 270633, 426591, 762693, 811899, 2288079, 2796541, 8389623, 25168869]

約数ペア:

[(1, 25168869), (3, 8389623), (9, 2796541), (11, 2288079), (31, 811899), (33, 762693), (59, 426591), (93, 270633), (99, 254231), (139, 181071), (177, 142197), (279, 90211), (341, 73809), (417, 60357), (531, 47399), (649, 38781), (1023, 24603), (1251, 20119), (1529, 16461), (1829, 13761), (1947, 12927), (3069, 8201), (4309, 5841), (4587, 5487)]