642428061

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{859}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 948119040

約数和(自身を除く): 305690979

約数列:

[1, 3, 11, 33, 131, 173, 393, 519, 859, 1441, 1903, 2577, 4323, 5709, 9449, 22663, 28347, 67989, 112529, 148607, 249293, 337587, 445821, 747879, 1237819, 1634677, 3713457, 4904031, 19467517, 58402551, 214142687, 642428061]

約数ペア:

[(1, 642428061), (3, 214142687), (11, 58402551), (33, 19467517), (131, 4904031), (173, 3713457), (393, 1634677), (519, 1237819), (859, 747879), (1441, 445821), (1903, 337587), (2577, 249293), (4323, 148607), (5709, 112529), (9449, 67989), (22663, 28347)]