198368595

素因数分解:

$3^4\times 5^1\times {\mathrm{489799}}^1$

素因数の和:489816

約数の個数: 20

約数和(自身を含む): 355594800

約数和(自身を除く): 157226205

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 489799, 1469397, 2448995, 4408191, 7346985, 13224573, 22040955, 39673719, 66122865, 198368595]

約数ペア:

[(1, 198368595), (3, 66122865), (5, 39673719), (9, 22040955), (15, 13224573), (27, 7346985), (45, 4408191), (81, 2448995), (135, 1469397), (405, 489799)]