243406125

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^2\times {\mathrm{409}}^1$

素因数の和:476

約数の個数: 72

約数和(自身を含む): 459808440

約数和(自身を除く): 216402315

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 345, 375, 409, 529, 575, 1035, 1125, 1227, 1587, 1725, 2045, 2645, 2875, 3681, 4761, 5175, 6135, 7935, 8625, 9407, 10225, 13225, 18405, 23805, 25875, 28221, 30675, 39675, 47035, 51125, 66125, 84663, 92025, 119025, 141105, 153375, 198375, 216361, 235175, 423315, 460125, 595125, 649083, 705525, 1081805, 1175875, 1947249, 2116575, 3245415, 3527625, 5409025, 9736245, 10582875, 16227075, 27045125, 48681225, 81135375, 243406125]

約数ペア:

[(1, 243406125), (3, 81135375), (5, 48681225), (9, 27045125), (15, 16227075), (23, 10582875), (25, 9736245), (45, 5409025), (69, 3527625), (75, 3245415), (115, 2116575), (125, 1947249), (207, 1175875), (225, 1081805), (345, 705525), (375, 649083), (409, 595125), (529, 460125), (575, 423315), (1035, 235175), (1125, 216361), (1227, 198375), (1587, 153375), (1725, 141105), (2045, 119025), (2645, 92025), (2875, 84663), (3681, 66125), (4761, 51125), (5175, 47035), (6135, 39675), (7935, 30675), (8625, 28221), (9407, 25875), (10225, 23805), (13225, 18405)]