25778870901

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{353053}}^1$

素因数の和:353146

約数の個数: 48

約数和(自身を含む): 45529843840

約数和(自身を除く): 19750972939

約数列:

[1, 3, 7, 9, 19, 21, 57, 61, 63, 133, 171, 183, 399, 427, 549, 1159, 1197, 1281, 3477, 3843, 8113, 10431, 24339, 73017, 353053, 1059159, 2471371, 3177477, 6708007, 7414113, 20124021, 21536233, 22242339, 46956049, 60372063, 64608699, 140868147, 150753631, 193826097, 409188427, 422604441, 452260893, 1227565281, 1356782679, 2864318989, 3682695843, 8592956967, 25778870901]

約数ペア:

[(1, 25778870901), (3, 8592956967), (7, 3682695843), (9, 2864318989), (19, 1356782679), (21, 1227565281), (57, 452260893), (61, 422604441), (63, 409188427), (133, 193826097), (171, 150753631), (183, 140868147), (399, 64608699), (427, 60372063), (549, 46956049), (1159, 22242339), (1197, 21536233), (1281, 20124021), (3477, 7414113), (3843, 6708007), (8113, 3177477), (10431, 2471371), (24339, 1059159), (73017, 353053)]