205102191

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 328237920

約数和(自身を除く): 123135729

約数列:

[1, 3, 7, 21, 49, 61, 89, 147, 183, 257, 267, 427, 623, 771, 1281, 1799, 1869, 2989, 4361, 5397, 5429, 8967, 12593, 13083, 15677, 16287, 22873, 37779, 38003, 47031, 68619, 109739, 114009, 160111, 266021, 329217, 480333, 768173, 798063, 1120777, 1395253, 2304519, 3362331, 4185759, 9766771, 29300313, 68367397, 205102191]

約数ペア:

[(1, 205102191), (3, 68367397), (7, 29300313), (21, 9766771), (49, 4185759), (61, 3362331), (89, 2304519), (147, 1395253), (183, 1120777), (257, 798063), (267, 768173), (427, 480333), (623, 329217), (771, 266021), (1281, 160111), (1799, 114009), (1869, 109739), (2989, 68619), (4361, 47031), (5397, 38003), (5429, 37779), (8967, 22873), (12593, 16287), (13083, 15677)]