263670771

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{50833}}^1$

素因数の和:50875

約数の個数: 32

約数和(自身を含む): 455472640

約数和(自身を除く): 191801869

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 50833, 152499, 355831, 660829, 965827, 1067493, 1982487, 2897481, 4625803, 6760789, 12555751, 13877409, 20282367, 37667253, 87890257, 263670771]

約数ペア:

[(1, 263670771), (3, 87890257), (7, 37667253), (13, 20282367), (19, 13877409), (21, 12555751), (39, 6760789), (57, 4625803), (91, 2897481), (133, 1982487), (247, 1067493), (273, 965827), (399, 660829), (741, 355831), (1729, 152499), (5187, 50833)]