215156697

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{9091}}^1$

素因数の和:9138

約数の個数: 32

約数和(自身を含む): 349132800

約数和(自身を除く): 133976103

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 1029, 1127, 3381, 7889, 9091, 23667, 27273, 63637, 190911, 209093, 445459, 627279, 1336377, 1463651, 3118213, 4390953, 9354639, 10245557, 30736671, 71718899, 215156697]

約数ペア:

[(1, 215156697), (3, 71718899), (7, 30736671), (21, 10245557), (23, 9354639), (49, 4390953), (69, 3118213), (147, 1463651), (161, 1336377), (343, 627279), (483, 445459), (1029, 209093), (1127, 190911), (3381, 63637), (7889, 27273), (9091, 23667)]