65405907

素因数分解:

$3^3\times 7^1\times {\mathrm{401}}^1\times {\mathrm{863}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 111144960

約数和(自身を除く): 45739053

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 401, 863, 1203, 2589, 2807, 3609, 6041, 7767, 8421, 10827, 18123, 23301, 25263, 54369, 75789, 163107, 346063, 1038189, 2422441, 3114567, 7267323, 9343701, 21801969, 65405907]

約数ペア:

[(1, 65405907), (3, 21801969), (7, 9343701), (9, 7267323), (21, 3114567), (27, 2422441), (63, 1038189), (189, 346063), (401, 163107), (863, 75789), (1203, 54369), (2589, 25263), (2807, 23301), (3609, 18123), (6041, 10827), (7767, 8421)]