201785985

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8741}}^1$

素因数の和:8780

約数の個数: 48

約数和(自身を含む): 381850560

約数和(自身を除く): 180064575

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 855, 1215, 1539, 2565, 4617, 7695, 8741, 23085, 26223, 43705, 78669, 131115, 166079, 236007, 393345, 498237, 708021, 830395, 1180035, 1494711, 2124063, 2491185, 3540105, 4484133, 7473555, 10620315, 13452399, 22420665, 40357197, 67261995, 201785985]

約数ペア:

[(1, 201785985), (3, 67261995), (5, 40357197), (9, 22420665), (15, 13452399), (19, 10620315), (27, 7473555), (45, 4484133), (57, 3540105), (81, 2491185), (95, 2124063), (135, 1494711), (171, 1180035), (243, 830395), (285, 708021), (405, 498237), (513, 393345), (855, 236007), (1215, 166079), (1539, 131115), (2565, 78669), (4617, 43705), (7695, 26223), (8741, 23085)]