209804955

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{1361}}^1$

素因数の和:1651

約数の個数: 32

約数和(自身を含む): 345185280

約数和(自身を除く): 135380325

約数列:

[1, 3, 5, 15, 43, 129, 215, 239, 645, 717, 1195, 1361, 3585, 4083, 6805, 10277, 20415, 30831, 51385, 58523, 154155, 175569, 292615, 325279, 877845, 975837, 1626395, 4879185, 13986997, 41960991, 69934985, 209804955]

約数ペア:

[(1, 209804955), (3, 69934985), (5, 41960991), (15, 13986997), (43, 4879185), (129, 1626395), (215, 975837), (239, 877845), (645, 325279), (717, 292615), (1195, 175569), (1361, 154155), (3585, 58523), (4083, 51385), (6805, 30831), (10277, 20415)]