42217959

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{6679}}^1$

素因数の和:6739

約数の個数: 24

約数和(自身を含む): 67013760

約数和(自身を除く): 24795801

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 6679, 20037, 46753, 140259, 287197, 327271, 861591, 981813, 2010379, 6031137, 14072653, 42217959]

約数ペア:

[(1, 42217959), (3, 14072653), (7, 6031137), (21, 2010379), (43, 981813), (49, 861591), (129, 327271), (147, 287197), (301, 140259), (903, 46753), (2107, 20037), (6321, 6679)]