219875049

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 344710080

約数和(自身を除く): 124835031

約数列:

[1, 3, 9, 19, 57, 61, 107, 171, 183, 197, 321, 549, 591, 963, 1159, 1773, 2033, 3477, 3743, 6099, 6527, 10431, 11229, 12017, 18297, 19581, 21079, 33687, 36051, 58743, 63237, 108153, 124013, 189711, 228323, 372039, 400501, 684969, 1116117, 1201503, 1285819, 2054907, 3604509, 3857457, 11572371, 24430561, 73291683, 219875049]

約数ペア:

[(1, 219875049), (3, 73291683), (9, 24430561), (19, 11572371), (57, 3857457), (61, 3604509), (107, 2054907), (171, 1285819), (183, 1201503), (197, 1116117), (321, 684969), (549, 400501), (591, 372039), (963, 228323), (1159, 189711), (1773, 124013), (2033, 108153), (3477, 63237), (3743, 58743), (6099, 36051), (6527, 33687), (10431, 21079), (11229, 19581), (12017, 18297)]