217876953

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{1423}}^1$

素因数の和:1773

約数の個数: 32

約数和(自身を含む): 347774976

約数和(自身を除く): 129898023

約数列:

[1, 3, 7, 21, 23, 69, 161, 317, 483, 951, 1423, 2219, 4269, 6657, 7291, 9961, 21873, 29883, 32729, 51037, 98187, 153111, 229103, 451091, 687309, 1353273, 3157637, 9472911, 10375093, 31125279, 72625651, 217876953]

約数ペア:

[(1, 217876953), (3, 72625651), (7, 31125279), (21, 10375093), (23, 9472911), (69, 3157637), (161, 1353273), (317, 687309), (483, 451091), (951, 229103), (1423, 153111), (2219, 98187), (4269, 51037), (6657, 32729), (7291, 29883), (9961, 21873)]