2051201655

素因数分解:

$3^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{61681}}^1$

素因数の和:62431

約数の個数: 24

約数和(自身を含む): 3560285040

約数和(自身を除く): 1509083385

約数列:

[1, 3, 5, 9, 15, 45, 739, 2217, 3695, 6651, 11085, 33255, 61681, 185043, 308405, 555129, 925215, 2775645, 45582259, 136746777, 227911295, 410240331, 683733885, 2051201655]

約数ペア:

[(1, 2051201655), (3, 683733885), (5, 410240331), (9, 227911295), (15, 136746777), (45, 45582259), (739, 2775645), (2217, 925215), (3695, 555129), (6651, 308405), (11085, 185043), (33255, 61681)]