81742325

素因数分解:

$5^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2797}}^1$

素因数の和:2981

約数の個数: 24

約数和(自身を含む): 116575872

約数和(自身を除く): 34833547

約数列:

[1, 5, 7, 25, 35, 167, 175, 835, 1169, 2797, 4175, 5845, 13985, 19579, 29225, 69925, 97895, 467099, 489475, 2335495, 3269693, 11677475, 16348465, 81742325]

約数ペア:

[(1, 81742325), (5, 16348465), (7, 11677475), (25, 3269693), (35, 2335495), (167, 489475), (175, 467099), (835, 97895), (1169, 69925), (2797, 29225), (4175, 19579), (5845, 13985)]