25991823

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 41690880

約数和(自身を除く): 15699057

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 473, 559, 1409, 1419, 1677, 4227, 6149, 15499, 18317, 18447, 46497, 54951, 60587, 181761, 201487, 604461, 666457, 787631, 1999371, 2362893, 8663941, 25991823]

約数ペア:

[(1, 25991823), (3, 8663941), (11, 2362893), (13, 1999371), (33, 787631), (39, 666457), (43, 604461), (129, 201487), (143, 181761), (429, 60587), (473, 54951), (559, 46497), (1409, 18447), (1419, 18317), (1677, 15499), (4227, 6149)]