68879205

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 126247680

約数和(自身を除く): 57368475

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 235, 261, 423, 435, 705, 1123, 1305, 1363, 2115, 3369, 4089, 5615, 6815, 10107, 12267, 16845, 20445, 32567, 50535, 52781, 61335, 97701, 158343, 162835, 263905, 293103, 475029, 488505, 791715, 1465515, 1530649, 2375145, 4591947, 7653245, 13775841, 22959735, 68879205]

約数ペア:

[(1, 68879205), (3, 22959735), (5, 13775841), (9, 7653245), (15, 4591947), (29, 2375145), (45, 1530649), (47, 1465515), (87, 791715), (141, 488505), (145, 475029), (235, 293103), (261, 263905), (423, 162835), (435, 158343), (705, 97701), (1123, 61335), (1305, 52781), (1363, 50535), (2115, 32567), (3369, 20445), (4089, 16845), (5615, 12267), (6815, 10107)]