20151945

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3701}}^1$

素因数の和:3734

約数の個数: 36

約数和(自身を含む): 38404548

約数和(自身を除く): 18252603

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1815, 3701, 5445, 11103, 18505, 33309, 40711, 55515, 122133, 166545, 203555, 366399, 447821, 610665, 1343463, 1831995, 2239105, 4030389, 6717315, 20151945]

約数ペア:

[(1, 20151945), (3, 6717315), (5, 4030389), (9, 2239105), (11, 1831995), (15, 1343463), (33, 610665), (45, 447821), (55, 366399), (99, 203555), (121, 166545), (165, 122133), (363, 55515), (495, 40711), (605, 33309), (1089, 18505), (1815, 11103), (3701, 5445)]