25317075

素因数分解:

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

素因数の和:193

約数の個数: 54

約数和(自身を含む): 49285164

約数和(自身を除く): 23968089

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 83, 105, 147, 175, 245, 249, 415, 525, 581, 735, 1225, 1245, 1743, 2075, 2905, 3675, 4067, 6225, 6889, 8715, 12201, 14525, 20335, 20667, 34445, 43575, 48223, 61005, 101675, 103335, 144669, 172225, 241115, 305025, 337561, 516675, 723345, 1012683, 1205575, 1687805, 3616725, 5063415, 8439025, 25317075]

約数ペア:

[(1, 25317075), (3, 8439025), (5, 5063415), (7, 3616725), (15, 1687805), (21, 1205575), (25, 1012683), (35, 723345), (49, 516675), (75, 337561), (83, 305025), (105, 241115), (147, 172225), (175, 144669), (245, 103335), (249, 101675), (415, 61005), (525, 48223), (581, 43575), (735, 34445), (1225, 20667), (1245, 20335), (1743, 14525), (2075, 12201), (2905, 8715), (3675, 6889), (4067, 6225)]