64744827

素因数分解:

$3^1\times 7^2\times {\mathrm{440441}}^1$

素因数の和:440458

約数の個数: 12

約数和(自身を含む): 100420776

約数和(自身を除く): 35675949

約数列:

[1, 3, 7, 21, 49, 147, 440441, 1321323, 3083087, 9249261, 21581609, 64744827]

約数ペア:

[(1, 64744827), (3, 21581609), (7, 9249261), (21, 3083087), (49, 1321323), (147, 440441)]