28406826987

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{66797}}^1$

素因数の和:67088

約数の個数: 48

約数和(自身を含む): 48248462592

約数和(自身を除く): 19841635605

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 263, 539, 789, 1617, 1841, 2893, 5523, 8679, 12887, 20251, 38661, 60753, 66797, 141757, 200391, 425271, 467579, 734767, 1402737, 2204301, 3273053, 5143369, 9819159, 15430107, 17567611, 36003583, 52702833, 108010749, 122973277, 193243721, 368919831, 579731163, 860812939, 1352706047, 2582438817, 4058118141, 9468942329, 28406826987]

約数ペア:

[(1, 28406826987), (3, 9468942329), (7, 4058118141), (11, 2582438817), (21, 1352706047), (33, 860812939), (49, 579731163), (77, 368919831), (147, 193243721), (231, 122973277), (263, 108010749), (539, 52702833), (789, 36003583), (1617, 17567611), (1841, 15430107), (2893, 9819159), (5523, 5143369), (8679, 3273053), (12887, 2204301), (20251, 1402737), (38661, 734767), (60753, 467579), (66797, 425271), (141757, 200391)]