138096399

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{10259}}^1$

素因数の和:10910

約数の個数: 16

約数和(自身を含む): 210781440

約数和(自身を除く): 72685041

約数列:

[1, 3, 7, 21, 641, 1923, 4487, 10259, 13461, 30777, 71813, 215439, 6576019, 19728057, 46032133, 138096399]

約数ペア:

[(1, 138096399), (3, 46032133), (7, 19728057), (21, 6576019), (641, 215439), (1923, 71813), (4487, 30777), (10259, 13461)]