172855879

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{21911}}^1$

素因数の和:21955

約数の個数: 16

約数和(自身を含む): 210355200

約数和(自身を除く): 37499321

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 21911, 153377, 503953, 1073639, 3527671, 7515473, 24693697, 172855879]

約数ペア:

[(1, 172855879), (7, 24693697), (23, 7515473), (49, 3527671), (161, 1073639), (343, 503953), (1127, 153377), (7889, 21911)]