1285280217

素因数分解:

$3^9\times {\mathrm{13}}^1\times {\mathrm{5023}}^1$

素因数の和:5063

約数の個数: 40

約数和(自身を含む): 2076600064

約数和(自身を除く): 791319847

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2187, 3159, 5023, 6561, 9477, 15069, 19683, 28431, 45207, 65299, 85293, 135621, 195897, 255879, 406863, 587691, 1220589, 1763073, 3661767, 5289219, 10985301, 15867657, 32955903, 47602971, 98867709, 142808913, 428426739, 1285280217]

約数ペア:

[(1, 1285280217), (3, 428426739), (9, 142808913), (13, 98867709), (27, 47602971), (39, 32955903), (81, 15867657), (117, 10985301), (243, 5289219), (351, 3661767), (729, 1763073), (1053, 1220589), (2187, 587691), (3159, 406863), (5023, 255879), (6561, 195897), (9477, 135621), (15069, 85293), (19683, 65299), (28431, 45207)]