209500215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{6823}}^1$

素因数の和:6943

約数の個数: 32

約数和(自身を含む): 353756160

約数和(自身を除く): 144255945

約数列:

[1, 3, 5, 15, 23, 69, 89, 115, 267, 345, 445, 1335, 2047, 6141, 6823, 10235, 20469, 30705, 34115, 102345, 156929, 470787, 607247, 784645, 1821741, 2353935, 3036235, 9108705, 13966681, 41900043, 69833405, 209500215]

約数ペア:

[(1, 209500215), (3, 69833405), (5, 41900043), (15, 13966681), (23, 9108705), (69, 3036235), (89, 2353935), (115, 1821741), (267, 784645), (345, 607247), (445, 470787), (1335, 156929), (2047, 102345), (6141, 34115), (6823, 30705), (10235, 20469)]