218490615

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{77069}}^1$

素因数の和:77093

約数の個数: 40

約数和(自身を含む): 447622560

約数和(自身を除く): 229131945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 77069, 231207, 385345, 539483, 693621, 1156035, 1618449, 2080863, 2697415, 3468105, 4855347, 6242589, 8092245, 10404315, 14566041, 24276735, 31212945, 43698123, 72830205, 218490615]

約数ペア:

[(1, 218490615), (3, 72830205), (5, 43698123), (7, 31212945), (9, 24276735), (15, 14566041), (21, 10404315), (27, 8092245), (35, 6242589), (45, 4855347), (63, 3468105), (81, 2697415), (105, 2080863), (135, 1618449), (189, 1156035), (315, 693621), (405, 539483), (567, 385345), (945, 231207), (2835, 77069)]