81861003

素因数分解:

$3^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1091}}^1$

素因数の和:1504

約数の個数: 32

約数和(自身を含む): 139077120

約数和(自身を除く): 57216117

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 397, 1091, 1191, 2779, 3273, 3573, 7637, 8337, 9819, 10719, 22911, 25011, 29457, 68733, 75033, 206199, 433127, 1299381, 3031889, 3898143, 9095667, 11694429, 27287001, 81861003]

約数ペア:

[(1, 81861003), (3, 27287001), (7, 11694429), (9, 9095667), (21, 3898143), (27, 3031889), (63, 1299381), (189, 433127), (397, 206199), (1091, 75033), (1191, 68733), (2779, 29457), (3273, 25011), (3573, 22911), (7637, 10719), (8337, 9819)]