72543639

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{21193}}^1$

素因数の和:21366

約数の個数: 16

約数和(自身を含む): 111226112

約数和(自身を除く): 38682473

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 21193, 63579, 148351, 445053, 3454459, 10363377, 24181213, 72543639]

約数ペア:

[(1, 72543639), (3, 24181213), (7, 10363377), (21, 3454459), (163, 445053), (489, 148351), (1141, 63579), (3423, 21193)]