664584920991

素因数分解:

$3^4\times {\mathrm{499}}^1\times {\mathrm{2309}}^1\times {\mathrm{7121}}^1$

素因数の和:9941

約数の個数: 40

約数和(自身を含む): 995335110000

約数和(自身を除く): 330750189009

約数列:

[1, 3, 9, 27, 81, 499, 1497, 2309, 4491, 6927, 7121, 13473, 20781, 21363, 40419, 62343, 64089, 187029, 192267, 576801, 1152191, 3456573, 3553379, 10369719, 10660137, 16442389, 31109157, 31980411, 49327167, 93327471, 95941233, 147981501, 287823699, 443944503, 1331833509, 8204752111, 24614256333, 73842768999, 221528306997, 664584920991]

約数ペア:

[(1, 664584920991), (3, 221528306997), (9, 73842768999), (27, 24614256333), (81, 8204752111), (499, 1331833509), (1497, 443944503), (2309, 287823699), (4491, 147981501), (6927, 95941233), (7121, 93327471), (13473, 49327167), (20781, 31980411), (21363, 31109157), (40419, 16442389), (62343, 10660137), (64089, 10369719), (187029, 3553379), (192267, 3456573), (576801, 1152191)]