30901995

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 56796480

約数和(自身を除く): 25894485

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 73, 115, 207, 219, 345, 365, 409, 657, 1035, 1095, 1227, 1679, 2045, 3285, 3681, 5037, 6135, 8395, 9407, 15111, 18405, 25185, 28221, 29857, 47035, 75555, 84663, 89571, 141105, 149285, 268713, 423315, 447855, 686711, 1343565, 2060133, 3433555, 6180399, 10300665, 30901995]

約数ペア:

[(1, 30901995), (3, 10300665), (5, 6180399), (9, 3433555), (15, 2060133), (23, 1343565), (45, 686711), (69, 447855), (73, 423315), (115, 268713), (207, 149285), (219, 141105), (345, 89571), (365, 84663), (409, 75555), (657, 47035), (1035, 29857), (1095, 28221), (1227, 25185), (1679, 18405), (2045, 15111), (3285, 9407), (3681, 8395), (5037, 6135)]