66405375

素因数分解:

$3^2\times 5^3\times {\mathrm{67}}^1\times {\mathrm{881}}^1$

素因数の和:969

約数の個数: 48

約数和(自身を含む): 121631328

約数和(自身を除く): 55225953

約数列:

[1, 3, 5, 9, 15, 25, 45, 67, 75, 125, 201, 225, 335, 375, 603, 881, 1005, 1125, 1675, 2643, 3015, 4405, 5025, 7929, 8375, 13215, 15075, 22025, 25125, 39645, 59027, 66075, 75375, 110125, 177081, 198225, 295135, 330375, 531243, 885405, 991125, 1475675, 2656215, 4427025, 7378375, 13281075, 22135125, 66405375]

約数ペア:

[(1, 66405375), (3, 22135125), (5, 13281075), (9, 7378375), (15, 4427025), (25, 2656215), (45, 1475675), (67, 991125), (75, 885405), (125, 531243), (201, 330375), (225, 295135), (335, 198225), (375, 177081), (603, 110125), (881, 75375), (1005, 66075), (1125, 59027), (1675, 39645), (2643, 25125), (3015, 22025), (4405, 15075), (5025, 13215), (7929, 8375)]