289503627

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{6421}}^1$

素因数の和:6563

約数の個数: 32

約数和(自身を含む): 468549120

約数和(自身を除く): 179045493

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 399, 791, 2147, 2373, 6421, 6441, 15029, 19263, 44947, 45087, 121999, 134841, 365997, 725573, 853993, 2176719, 2561979, 5079011, 13785887, 15237033, 41357661, 96501209, 289503627]

約数ペア:

[(1, 289503627), (3, 96501209), (7, 41357661), (19, 15237033), (21, 13785887), (57, 5079011), (113, 2561979), (133, 2176719), (339, 853993), (399, 725573), (791, 365997), (2147, 134841), (2373, 121999), (6421, 45087), (6441, 44947), (15029, 19263)]