1972719

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 3293472

約数和(自身を除く): 1320753

約数列:

[1, 3, 7, 9, 21, 63, 173, 181, 519, 543, 1211, 1267, 1557, 1629, 3633, 3801, 10899, 11403, 31313, 93939, 219191, 281817, 657573, 1972719]

約数ペア:

[(1, 1972719), (3, 657573), (7, 281817), (9, 219191), (21, 93939), (63, 31313), (173, 11403), (181, 10899), (519, 3801), (543, 3633), (1211, 1629), (1267, 1557)]