71234289

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2341}}^1$

素因数の和:2387

約数の個数: 48

約数和(自身を含む): 128154240

約数和(自身を除く): 56919951

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 441, 483, 621, 1127, 1323, 1449, 2341, 3381, 4347, 7023, 10143, 16387, 21069, 30429, 49161, 53843, 63207, 114709, 147483, 161529, 344127, 376901, 442449, 484587, 1032381, 1130703, 1453761, 2638307, 3097143, 3392109, 7914921, 10176327, 23744763, 71234289]

約数ペア:

[(1, 71234289), (3, 23744763), (7, 10176327), (9, 7914921), (21, 3392109), (23, 3097143), (27, 2638307), (49, 1453761), (63, 1130703), (69, 1032381), (147, 484587), (161, 442449), (189, 376901), (207, 344127), (441, 161529), (483, 147483), (621, 114709), (1127, 63207), (1323, 53843), (1449, 49161), (2341, 30429), (3381, 21069), (4347, 16387), (7023, 10143)]