81433825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{17419}}^1$

素因数の和:17457

約数の個数: 24

約数和(自身を含む): 116644320

約数和(自身を除く): 35210495

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4675, 17419, 87095, 191609, 296123, 435475, 958045, 1480615, 3257353, 4790225, 7403075, 16286765, 81433825]

約数ペア:

[(1, 81433825), (5, 16286765), (11, 7403075), (17, 4790225), (25, 3257353), (55, 1480615), (85, 958045), (187, 435475), (275, 296123), (425, 191609), (935, 87095), (4675, 17419)]