209926437

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 339603264

約数和(自身を除く): 129676827

約数列:

[1, 3, 7, 21, 41, 49, 61, 123, 147, 183, 287, 427, 571, 861, 1281, 1713, 2009, 2501, 2989, 3997, 6027, 7503, 8967, 11991, 17507, 23411, 27979, 34831, 52521, 70233, 83937, 104493, 122549, 163877, 243817, 367647, 491631, 731451, 1147139, 1428071, 1706719, 3441417, 4284213, 5120157, 9996497, 29989491, 69975479, 209926437]

約数ペア:

[(1, 209926437), (3, 69975479), (7, 29989491), (21, 9996497), (41, 5120157), (49, 4284213), (61, 3441417), (123, 1706719), (147, 1428071), (183, 1147139), (287, 731451), (427, 491631), (571, 367647), (861, 243817), (1281, 163877), (1713, 122549), (2009, 104493), (2501, 83937), (2989, 70233), (3997, 52521), (6027, 34831), (7503, 27979), (8967, 23411), (11991, 17507)]