12780099

素因数分解:

$3^6\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:438

約数の個数: 28

約数和(自身を含む): 19621536

約数和(自身を除く): 6841437

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 373, 423, 729, 1119, 1269, 3357, 3807, 10071, 11421, 17531, 30213, 34263, 52593, 90639, 157779, 271917, 473337, 1420011, 4260033, 12780099]

約数ペア:

[(1, 12780099), (3, 4260033), (9, 1420011), (27, 473337), (47, 271917), (81, 157779), (141, 90639), (243, 52593), (373, 34263), (423, 30213), (729, 17531), (1119, 11421), (1269, 10071), (3357, 3807)]