178627371

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 262106880

約数和(自身を除く): 83479509

約数列:

[1, 3, 13, 39, 83, 139, 249, 397, 417, 1079, 1191, 1807, 3237, 5161, 5421, 11537, 15483, 32951, 34611, 55183, 98853, 149981, 165549, 428363, 449943, 717379, 1285089, 2152137, 4580189, 13740567, 59542457, 178627371]

約数ペア:

[(1, 178627371), (3, 59542457), (13, 13740567), (39, 4580189), (83, 2152137), (139, 1285089), (249, 717379), (397, 449943), (417, 428363), (1079, 165549), (1191, 149981), (1807, 98853), (3237, 55183), (5161, 34611), (5421, 32951), (11537, 15483)]