215530254

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{107873}}^1$

素因数の和:107921

約数の個数: 32

約数和(自身を含む): 491905440

約数和(自身を除く): 276375186

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 107873, 215746, 323619, 647238, 970857, 1941714, 2912571, 3991301, 5825142, 7982602, 11973903, 23947806, 35921709, 71843418, 107765127, 215530254]

約数ペア:

[(1, 215530254), (2, 107765127), (3, 71843418), (6, 35921709), (9, 23947806), (18, 11973903), (27, 7982602), (37, 5825142), (54, 3991301), (74, 2912571), (111, 1941714), (222, 970857), (333, 647238), (666, 323619), (999, 215746), (1998, 107873)]