51357495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^2$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 96394752

約数和(自身を除く): 45037257

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 83, 105, 213, 249, 355, 415, 497, 581, 1065, 1245, 1491, 1743, 2485, 2905, 5893, 6889, 7455, 8715, 17679, 20667, 29465, 34445, 41251, 48223, 88395, 103335, 123753, 144669, 206255, 241115, 489119, 618765, 723345, 1467357, 2445595, 3423833, 7336785, 10271499, 17119165, 51357495]

約数ペア:

[(1, 51357495), (3, 17119165), (5, 10271499), (7, 7336785), (15, 3423833), (21, 2445595), (35, 1467357), (71, 723345), (83, 618765), (105, 489119), (213, 241115), (249, 206255), (355, 144669), (415, 123753), (497, 103335), (581, 88395), (1065, 48223), (1245, 41251), (1491, 34445), (1743, 29465), (2485, 20667), (2905, 17679), (5893, 8715), (6889, 7455)]