1980198

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 4779216

約数和(自身を除く): 2799018

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 73, 99, 137, 146, 198, 219, 274, 411, 438, 657, 803, 822, 1233, 1314, 1507, 1606, 2409, 2466, 3014, 4521, 4818, 7227, 9042, 10001, 13563, 14454, 20002, 27126, 30003, 60006, 90009, 110011, 180018, 220022, 330033, 660066, 990099, 1980198]

約数ペア:

[(1, 1980198), (2, 990099), (3, 660066), (6, 330033), (9, 220022), (11, 180018), (18, 110011), (22, 90009), (33, 60006), (66, 30003), (73, 27126), (99, 20002), (137, 14454), (146, 13563), (198, 10001), (219, 9042), (274, 7227), (411, 4818), (438, 4521), (657, 3014), (803, 2466), (822, 2409), (1233, 1606), (1314, 1507)]