305474001

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{7433}}^1$

素因数の和:7565

約数の個数: 32

約数和(自身を含む): 494807040

約数和(自身を除く): 189333039

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 309, 399, 721, 1957, 2163, 5871, 7433, 13699, 22299, 41097, 52031, 141227, 156093, 423681, 765599, 988589, 2296797, 2965767, 5359193, 14546381, 16077579, 43639143, 101824667, 305474001]

約数ペア:

[(1, 305474001), (3, 101824667), (7, 43639143), (19, 16077579), (21, 14546381), (57, 5359193), (103, 2965767), (133, 2296797), (309, 988589), (399, 765599), (721, 423681), (1957, 156093), (2163, 141227), (5871, 52031), (7433, 41097), (13699, 22299)]