28687841277

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{947}}^1\times {\mathrm{5479}}^1$

素因数の和:6545

約数の個数: 32

約数和(自身を含む): 40729113600

約数和(自身を除く): 12041272323

約数列:

[1, 3, 19, 57, 97, 291, 947, 1843, 2841, 5479, 5529, 16437, 17993, 53979, 91859, 104101, 275577, 312303, 531463, 1594389, 1745321, 5188613, 5235963, 10097797, 15565839, 30293391, 98583647, 295750941, 503295461, 1509886383, 9562613759, 28687841277]

約数ペア:

[(1, 28687841277), (3, 9562613759), (19, 1509886383), (57, 503295461), (97, 295750941), (291, 98583647), (947, 30293391), (1843, 15565839), (2841, 10097797), (5479, 5235963), (5529, 5188613), (16437, 1745321), (17993, 1594389), (53979, 531463), (91859, 312303), (104101, 275577)]