123682321

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 147744000

約数和(自身を除く): 24061679

約数列:

[1, 7, 49, 79, 89, 359, 553, 623, 2513, 3871, 4361, 7031, 17591, 28361, 31951, 49217, 198527, 223657, 344519, 1389689, 1565599, 2524129, 17668903, 123682321]

約数ペア:

[(1, 123682321), (7, 17668903), (49, 2524129), (79, 1565599), (89, 1389689), (359, 344519), (553, 223657), (623, 198527), (2513, 49217), (3871, 31951), (4361, 28361), (7031, 17591)]