51371355

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1889}}^1$

素因数の和:1948

約数の個数: 48

約数和(自身を含む): 98249760

約数和(自身を除く): 46878405

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 105, 111, 147, 185, 245, 259, 555, 735, 777, 1295, 1813, 1889, 3885, 5439, 5667, 9065, 9445, 13223, 27195, 28335, 39669, 66115, 69893, 92561, 198345, 209679, 277683, 349465, 462805, 489251, 1048395, 1388415, 1467753, 2446255, 3424757, 7338765, 10274271, 17123785, 51371355]

約数ペア:

[(1, 51371355), (3, 17123785), (5, 10274271), (7, 7338765), (15, 3424757), (21, 2446255), (35, 1467753), (37, 1388415), (49, 1048395), (105, 489251), (111, 462805), (147, 349465), (185, 277683), (245, 209679), (259, 198345), (555, 92561), (735, 69893), (777, 66115), (1295, 39669), (1813, 28335), (1889, 27195), (3885, 13223), (5439, 9445), (5667, 9065)]