85389915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 156119040

約数和(自身を除く): 70729125

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 79, 115, 195, 237, 241, 299, 345, 395, 723, 897, 1027, 1185, 1205, 1495, 1817, 3081, 3133, 3615, 4485, 5135, 5451, 5543, 9085, 9399, 15405, 15665, 16629, 19039, 23621, 27255, 27715, 46995, 57117, 70863, 72059, 83145, 95195, 118105, 216177, 247507, 285585, 354315, 360295, 437897, 742521, 1080885, 1237535, 1313691, 2189485, 3712605, 5692661, 6568455, 17077983, 28463305, 85389915]

約数ペア:

[(1, 85389915), (3, 28463305), (5, 17077983), (13, 6568455), (15, 5692661), (23, 3712605), (39, 2189485), (65, 1313691), (69, 1237535), (79, 1080885), (115, 742521), (195, 437897), (237, 360295), (241, 354315), (299, 285585), (345, 247507), (395, 216177), (723, 118105), (897, 95195), (1027, 83145), (1185, 72059), (1205, 70863), (1495, 57117), (1817, 46995), (3081, 27715), (3133, 27255), (3615, 23621), (4485, 19039), (5135, 16629), (5451, 15665), (5543, 15405), (9085, 9399)]