72691321

素因数分解:

${\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{3301}}^1$

素因数の和:3400

約数の個数: 12

約数和(自身を含む): 77999844

約数和(自身を除く): 5308523

約数列:

[1, 19, 61, 361, 1159, 3301, 22021, 62719, 201361, 1191661, 3825859, 72691321]

約数ペア:

[(1, 72691321), (19, 3825859), (61, 1191661), (361, 201361), (1159, 62719), (3301, 22021)]