198995625

素因数分解:

$3^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{2081}}^1$

素因数の和:2124

約数の個数: 60

約数和(自身を含む): 380493828

約数和(自身を除く): 181498203

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 625, 765, 1125, 1275, 1875, 2081, 2125, 3825, 5625, 6243, 6375, 10405, 10625, 18729, 19125, 31215, 31875, 35377, 52025, 93645, 95625, 106131, 156075, 176885, 260125, 318393, 468225, 530655, 780375, 884425, 1300625, 1591965, 2341125, 2653275, 3901875, 4422125, 7959825, 11705625, 13266375, 22110625, 39799125, 66331875, 198995625]

約数ペア:

[(1, 198995625), (3, 66331875), (5, 39799125), (9, 22110625), (15, 13266375), (17, 11705625), (25, 7959825), (45, 4422125), (51, 3901875), (75, 2653275), (85, 2341125), (125, 1591965), (153, 1300625), (225, 884425), (255, 780375), (375, 530655), (425, 468225), (625, 318393), (765, 260125), (1125, 176885), (1275, 156075), (1875, 106131), (2081, 95625), (2125, 93645), (3825, 52025), (5625, 35377), (6243, 31875), (6375, 31215), (10405, 19125), (10625, 18729)]