666057

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 1083456

約数和(自身を除く): 417399

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 197, 483, 591, 1127, 1379, 3381, 4137, 4531, 9653, 13593, 28959, 31717, 95151, 222019, 666057]

約数ペア:

[(1, 666057), (3, 222019), (7, 95151), (21, 31717), (23, 28959), (49, 13593), (69, 9653), (147, 4531), (161, 4137), (197, 3381), (483, 1379), (591, 1127)]