138421199

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1\times {\mathrm{1511}}^1$

素因数の和:2110

約数の個数: 16

約数和(自身を含む): 165473280

約数和(自身を除く): 27052081

約数列:

[1, 7, 23, 161, 569, 1511, 3983, 10577, 13087, 34753, 91609, 243271, 859759, 6018313, 19774457, 138421199]

約数ペア:

[(1, 138421199), (7, 19774457), (23, 6018313), (161, 859759), (569, 243271), (1511, 91609), (3983, 34753), (10577, 13087)]