865821423

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 1205591040

約数和(自身を除く): 339769617

約数列:

[1, 3, 37, 107, 111, 269, 271, 321, 807, 813, 3959, 9953, 10027, 11877, 28783, 28997, 29859, 30081, 72899, 86349, 86991, 218697, 1064971, 1072889, 2697263, 3194913, 3218667, 7800193, 8091789, 23400579, 288607141, 865821423]

約数ペア:

[(1, 865821423), (3, 288607141), (37, 23400579), (107, 8091789), (111, 7800193), (269, 3218667), (271, 3194913), (321, 2697263), (807, 1072889), (813, 1064971), (3959, 218697), (9953, 86991), (10027, 86349), (11877, 72899), (28783, 30081), (28997, 29859)]