17998414731

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{863}}^1$

素因数の和:1238

約数の個数: 80

約数和(自身を含む): 29807585280

約数和(自身を除く): 11809170549

約数列:

[1, 3, 9, 11, 27, 33, 81, 89, 99, 263, 267, 297, 789, 801, 863, 891, 979, 2367, 2403, 2589, 2893, 2937, 7101, 7209, 7767, 8679, 8811, 9493, 21303, 23301, 23407, 26037, 26433, 28479, 69903, 70221, 76807, 78111, 79299, 85437, 210663, 226969, 230421, 234333, 256311, 257477, 631989, 680907, 691263, 768933, 772431, 844877, 1895967, 2042721, 2073789, 2317293, 2496659, 2534631, 6128163, 6221367, 6951879, 7489977, 7603893, 18384489, 20200241, 20855637, 22469931, 22811679, 60600723, 67409793, 68435037, 181802169, 202229379, 222202651, 545406507, 666607953, 1636219521, 1999823859, 5999471577, 17998414731]

約数ペア:

[(1, 17998414731), (3, 5999471577), (9, 1999823859), (11, 1636219521), (27, 666607953), (33, 545406507), (81, 222202651), (89, 202229379), (99, 181802169), (263, 68435037), (267, 67409793), (297, 60600723), (789, 22811679), (801, 22469931), (863, 20855637), (891, 20200241), (979, 18384489), (2367, 7603893), (2403, 7489977), (2589, 6951879), (2893, 6221367), (2937, 6128163), (7101, 2534631), (7209, 2496659), (7767, 2317293), (8679, 2073789), (8811, 2042721), (9493, 1895967), (21303, 844877), (23301, 772431), (23407, 768933), (26037, 691263), (26433, 680907), (28479, 631989), (69903, 257477), (70221, 256311), (76807, 234333), (78111, 230421), (79299, 226969), (85437, 210663)]