217875

素因数分解:

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

素因数の和:108

約数の個数: 32

約数和(自身を含む): 419328

約数和(自身を除く): 201453

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 83, 105, 125, 175, 249, 375, 415, 525, 581, 875, 1245, 1743, 2075, 2625, 2905, 6225, 8715, 10375, 14525, 31125, 43575, 72625, 217875]

約数ペア:

[(1, 217875), (3, 72625), (5, 43575), (7, 31125), (15, 14525), (21, 10375), (25, 8715), (35, 6225), (75, 2905), (83, 2625), (105, 2075), (125, 1743), (175, 1245), (249, 875), (375, 581), (415, 525)]