1021860441

素因数分解:

$3^7\times 7^1\times {\mathrm{66749}}^1$

素因数の和:66777

約数の個数: 32

約数和(自身を含む): 1751520000

約数和(自身を除く): 729659559

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2187, 5103, 15309, 66749, 200247, 467243, 600741, 1401729, 1802223, 4205187, 5406669, 12615561, 16220007, 37846683, 48660021, 113540049, 145980063, 340620147, 1021860441]

約数ペア:

[(1, 1021860441), (3, 340620147), (7, 145980063), (9, 113540049), (21, 48660021), (27, 37846683), (63, 16220007), (81, 12615561), (189, 5406669), (243, 4205187), (567, 1802223), (729, 1401729), (1701, 600741), (2187, 467243), (5103, 200247), (15309, 66749)]