2178675

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:460

約数の個数: 36

約数和(自身を含む): 4081584

約数和(自身を除く): 1902909

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 421, 575, 1035, 1263, 1725, 2105, 3789, 5175, 6315, 9683, 10525, 18945, 29049, 31575, 48415, 87147, 94725, 145245, 242075, 435735, 726225, 2178675]

約数ペア:

[(1, 2178675), (3, 726225), (5, 435735), (9, 242075), (15, 145245), (23, 94725), (25, 87147), (45, 48415), (69, 31575), (75, 29049), (115, 18945), (207, 10525), (225, 9683), (345, 6315), (421, 5175), (575, 3789), (1035, 2105), (1263, 1725)]