81057795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1452

約数の個数: 64

約数和(自身を含む): 163451904

約数和(自身を除く): 82394109

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 43, 65, 91, 105, 129, 195, 215, 273, 301, 455, 559, 645, 903, 1365, 1381, 1505, 1677, 2795, 3913, 4143, 4515, 6905, 8385, 9667, 11739, 17953, 19565, 20715, 29001, 48335, 53859, 58695, 59383, 89765, 125671, 145005, 178149, 269295, 296915, 377013, 415681, 628355, 771979, 890745, 1247043, 1885065, 2078405, 2315937, 3859895, 5403853, 6235215, 11579685, 16211559, 27019265, 81057795]

約数ペア:

[(1, 81057795), (3, 27019265), (5, 16211559), (7, 11579685), (13, 6235215), (15, 5403853), (21, 3859895), (35, 2315937), (39, 2078405), (43, 1885065), (65, 1247043), (91, 890745), (105, 771979), (129, 628355), (195, 415681), (215, 377013), (273, 296915), (301, 269295), (455, 178149), (559, 145005), (645, 125671), (903, 89765), (1365, 59383), (1381, 58695), (1505, 53859), (1677, 48335), (2795, 29001), (3913, 20715), (4143, 19565), (4515, 17953), (6905, 11739), (8385, 9667)]