16815513

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2063}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 27740160

約数和(自身を除く): 10924647

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2063, 2717, 6189, 8151, 22693, 26819, 39197, 68079, 80457, 117591, 295009, 431167, 509561, 885027, 1293501, 1528683, 5605171, 16815513]

約数ペア:

[(1, 16815513), (3, 5605171), (11, 1528683), (13, 1293501), (19, 885027), (33, 509561), (39, 431167), (57, 295009), (143, 117591), (209, 80457), (247, 68079), (429, 39197), (627, 26819), (741, 22693), (2063, 8151), (2717, 6189)]