12787075

素因数分解:

$5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 18347040

約数和(自身を除く): 5559965

約数列:

[1, 5, 7, 25, 35, 89, 175, 445, 623, 821, 2225, 3115, 4105, 5747, 15575, 20525, 28735, 73069, 143675, 365345, 511483, 1826725, 2557415, 12787075]

約数ペア:

[(1, 12787075), (5, 2557415), (7, 1826725), (25, 511483), (35, 365345), (89, 143675), (175, 73069), (445, 28735), (623, 20525), (821, 15575), (2225, 5747), (3115, 4105)]