28190811

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1683

約数の個数: 32

約数和(自身を含む): 44845056

約数和(自身を除く): 16654245

約数列:

[1, 3, 11, 17, 31, 33, 51, 93, 187, 341, 527, 561, 1023, 1581, 1621, 4863, 5797, 17391, 17831, 27557, 50251, 53493, 82671, 150753, 303127, 552761, 854267, 909381, 1658283, 2562801, 9396937, 28190811]

約数ペア:

[(1, 28190811), (3, 9396937), (11, 2562801), (17, 1658283), (31, 909381), (33, 854267), (51, 552761), (93, 303127), (187, 150753), (341, 82671), (527, 53493), (561, 50251), (1023, 27557), (1581, 17831), (1621, 17391), (4863, 5797)]