222985515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{2087}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 378846720

約数和(自身を除く): 155861205

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 419, 1257, 2087, 2095, 6261, 6285, 7123, 10435, 21369, 31305, 35479, 35615, 106437, 106845, 177395, 532185, 874453, 2623359, 4372265, 13116795, 14865701, 44597103, 74328505, 222985515]

約数ペア:

[(1, 222985515), (3, 74328505), (5, 44597103), (15, 14865701), (17, 13116795), (51, 4372265), (85, 2623359), (255, 874453), (419, 532185), (1257, 177395), (2087, 106845), (2095, 106437), (6261, 35615), (6285, 35479), (7123, 31305), (10435, 21369)]