28902075

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{401}}^1$

素因数の和:476

約数の個数: 36

約数和(自身を含む): 49499064

約数和(自身を除く): 20596989

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 401, 465, 775, 961, 1203, 2005, 2325, 2883, 4805, 6015, 10025, 12431, 14415, 24025, 30075, 37293, 62155, 72075, 186465, 310775, 385361, 932325, 1156083, 1926805, 5780415, 9634025, 28902075]

約数ペア:

[(1, 28902075), (3, 9634025), (5, 5780415), (15, 1926805), (25, 1156083), (31, 932325), (75, 385361), (93, 310775), (155, 186465), (401, 72075), (465, 62155), (775, 37293), (961, 30075), (1203, 24025), (2005, 14415), (2325, 12431), (2883, 10025), (4805, 6015)]