25257309

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2063}}^1$

素因数の和:2137

約数の個数: 32

約数和(自身を含む): 42799104

約数和(自身を除く): 17541795

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1749, 2063, 4081, 6189, 12243, 14441, 22693, 43323, 68079, 109339, 158851, 328017, 476553, 765373, 1202729, 2296119, 3608187, 8419103, 25257309]

約数ペア:

[(1, 25257309), (3, 8419103), (7, 3608187), (11, 2296119), (21, 1202729), (33, 765373), (53, 476553), (77, 328017), (159, 158851), (231, 109339), (371, 68079), (583, 43323), (1113, 22693), (1749, 14441), (2063, 12243), (4081, 6189)]