81534795

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3919}}^1$

素因数の和:4019

約数の個数: 32

約数和(自身を含む): 139238400

約数和(自身を除く): 57703605

約数列:

[1, 3, 5, 15, 19, 57, 73, 95, 219, 285, 365, 1095, 1387, 3919, 4161, 6935, 11757, 19595, 20805, 58785, 74461, 223383, 286087, 372305, 858261, 1116915, 1430435, 4291305, 5435653, 16306959, 27178265, 81534795]

約数ペア:

[(1, 81534795), (3, 27178265), (5, 16306959), (15, 5435653), (19, 4291305), (57, 1430435), (73, 1116915), (95, 858261), (219, 372305), (285, 286087), (365, 223383), (1095, 74461), (1387, 58785), (3919, 20805), (4161, 19595), (6935, 11757)]