142778943

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{26309}}^1$

素因数の和:26388

約数の個数: 20

約数和(自身を含む): 216478680

約数和(自身を除く): 73699737

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 26309, 78927, 236781, 710343, 1762703, 2131029, 5288109, 15864327, 47592981, 142778943]

約数ペア:

[(1, 142778943), (3, 47592981), (9, 15864327), (27, 5288109), (67, 2131029), (81, 1762703), (201, 710343), (603, 236781), (1809, 78927), (5427, 26309)]