28775505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2389}}^1$

素因数の和:2481

約数の個数: 32

約数和(自身を含む): 50935680

約数和(自身を除く): 22160175

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 165, 219, 365, 803, 1095, 2389, 2409, 4015, 7167, 11945, 12045, 26279, 35835, 78837, 131395, 174397, 394185, 523191, 871985, 1918367, 2615955, 5755101, 9591835, 28775505]

約数ペア:

[(1, 28775505), (3, 9591835), (5, 5755101), (11, 2615955), (15, 1918367), (33, 871985), (55, 523191), (73, 394185), (165, 174397), (219, 131395), (365, 78837), (803, 35835), (1095, 26279), (2389, 12045), (2409, 11945), (4015, 7167)]