12121731

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{8803}}^1$

素因数の和:8832

約数の個数: 20

約数和(自身を含む): 19175112

約数和(自身を除く): 7053381

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 8803, 26409, 79227, 149651, 237681, 448953, 713043, 1346859, 4040577, 12121731]

約数ペア:

[(1, 12121731), (3, 4040577), (9, 1346859), (17, 713043), (27, 448953), (51, 237681), (81, 149651), (153, 79227), (459, 26409), (1377, 8803)]