19931403

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{421}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 27332096

約数和(自身を除く): 7400693

約数列:

[1, 3, 43, 129, 367, 421, 1101, 1263, 15781, 18103, 47343, 54309, 154507, 463521, 6643801, 19931403]

約数ペア:

[(1, 19931403), (3, 6643801), (43, 463521), (129, 154507), (367, 54309), (421, 47343), (1101, 18103), (1263, 15781)]