28391715

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6373}}^1$

素因数の和:6401

約数の個数: 40

約数和(自身を含む): 55530288

約数和(自身を除く): 27138573

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 6373, 19119, 31865, 57357, 70103, 95595, 172071, 210309, 286785, 350515, 516213, 630927, 860355, 1051545, 1892781, 2581065, 3154635, 5678343, 9463905, 28391715]

約数ペア:

[(1, 28391715), (3, 9463905), (5, 5678343), (9, 3154635), (11, 2581065), (15, 1892781), (27, 1051545), (33, 860355), (45, 630927), (55, 516213), (81, 350515), (99, 286785), (135, 210309), (165, 172071), (297, 95595), (405, 70103), (495, 57357), (891, 31865), (1485, 19119), (4455, 6373)]