417721821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{3851}}^1$

素因数の和:4057

約数の個数: 32

約数和(自身を含む): 643438080

約数和(自身を除く): 225716259

約数列:

[1, 3, 11, 19, 33, 57, 173, 209, 519, 627, 1903, 3287, 3851, 5709, 9861, 11553, 36157, 42361, 73169, 108471, 127083, 219507, 666223, 804859, 1998669, 2414577, 7328453, 12658237, 21985359, 37974711, 139240607, 417721821]

約数ペア:

[(1, 417721821), (3, 139240607), (11, 37974711), (19, 21985359), (33, 12658237), (57, 7328453), (173, 2414577), (209, 1998669), (519, 804859), (627, 666223), (1903, 219507), (3287, 127083), (3851, 108471), (5709, 73169), (9861, 42361), (11553, 36157)]