26819805

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 44725248

約数和(自身を除く): 17905443

約数列:

[1, 3, 5, 15, 31, 93, 137, 155, 411, 421, 465, 685, 1263, 2055, 2105, 4247, 6315, 12741, 13051, 21235, 39153, 57677, 63705, 65255, 173031, 195765, 288385, 865155, 1787987, 5363961, 8939935, 26819805]

約数ペア:

[(1, 26819805), (3, 8939935), (5, 5363961), (15, 1787987), (31, 865155), (93, 288385), (137, 195765), (155, 173031), (411, 65255), (421, 63705), (465, 57677), (685, 39153), (1263, 21235), (2055, 13051), (2105, 12741), (4247, 6315)]