71939465217

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{1259}}^1$

素因数の和:1755

約数の個数: 72

約数和(自身を含む): 112583671200

約数和(自身を除く): 40644205983

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 361, 387, 409, 817, 1083, 1227, 1259, 2451, 3249, 3681, 3777, 7353, 7771, 11331, 15523, 17587, 23313, 23921, 46569, 52761, 54137, 69939, 71763, 139707, 147649, 158283, 162411, 215289, 334153, 442947, 454499, 487233, 514931, 1002459, 1028603, 1328841, 1363497, 1544793, 3007377, 3085809, 4090491, 4634379, 6348907, 9257427, 9783689, 19046721, 19543457, 22142033, 29351067, 57140163, 58630371, 66426099, 88053201, 175891113, 185890091, 199278297, 420698627, 557670273, 1262095881, 1673010819, 3786287643, 7993273913, 23979821739, 71939465217]

約数ペア:

[(1, 71939465217), (3, 23979821739), (9, 7993273913), (19, 3786287643), (43, 1673010819), (57, 1262095881), (129, 557670273), (171, 420698627), (361, 199278297), (387, 185890091), (409, 175891113), (817, 88053201), (1083, 66426099), (1227, 58630371), (1259, 57140163), (2451, 29351067), (3249, 22142033), (3681, 19543457), (3777, 19046721), (7353, 9783689), (7771, 9257427), (11331, 6348907), (15523, 4634379), (17587, 4090491), (23313, 3085809), (23921, 3007377), (46569, 1544793), (52761, 1363497), (54137, 1328841), (69939, 1028603), (71763, 1002459), (139707, 514931), (147649, 487233), (158283, 454499), (162411, 442947), (215289, 334153)]