1840986819

素因数分解:

$3^3\times 7^1\times {\mathrm{2381}}^1\times {\mathrm{4091}}^1$

素因数の和:6488

約数の個数: 32

約数和(自身を含む): 3119086080

約数和(自身を除く): 1278099261

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2381, 4091, 7143, 12273, 16667, 21429, 28637, 36819, 50001, 64287, 85911, 110457, 150003, 257733, 450009, 773199, 9740671, 29222013, 68184697, 87666039, 204554091, 262998117, 613662273, 1840986819]

約数ペア:

[(1, 1840986819), (3, 613662273), (7, 262998117), (9, 204554091), (21, 87666039), (27, 68184697), (63, 29222013), (189, 9740671), (2381, 773199), (4091, 450009), (7143, 257733), (12273, 150003), (16667, 110457), (21429, 85911), (28637, 64287), (36819, 50001)]