220170993

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7559}}^1$

素因数の和:7661

約数の個数: 32

約数和(自身を含む): 358041600

約数和(自身を除く): 137870607

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 4161, 7559, 9709, 22677, 29127, 52913, 143621, 158739, 430863, 551807, 1005347, 1655421, 3016041, 3862649, 10484333, 11587947, 31452999, 73390331, 220170993]

約数ペア:

[(1, 220170993), (3, 73390331), (7, 31452999), (19, 11587947), (21, 10484333), (57, 3862649), (73, 3016041), (133, 1655421), (219, 1005347), (399, 551807), (511, 430863), (1387, 158739), (1533, 143621), (4161, 52913), (7559, 29127), (9709, 22677)]