78020991

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 125012160

約数和(自身を除く): 46991169

約数列:

[1, 3, 9, 23, 29, 41, 69, 87, 123, 207, 261, 317, 369, 667, 943, 951, 1189, 2001, 2829, 2853, 3567, 6003, 7291, 8487, 9193, 10701, 12997, 21873, 27347, 27579, 38991, 65619, 82041, 82737, 116973, 211439, 246123, 298931, 376913, 634317, 896793, 1130739, 1902951, 2690379, 3392217, 8668999, 26006997, 78020991]

約数ペア:

[(1, 78020991), (3, 26006997), (9, 8668999), (23, 3392217), (29, 2690379), (41, 1902951), (69, 1130739), (87, 896793), (123, 634317), (207, 376913), (261, 298931), (317, 246123), (369, 211439), (667, 116973), (943, 82737), (951, 82041), (1189, 65619), (2001, 38991), (2829, 27579), (2853, 27347), (3567, 21873), (6003, 12997), (7291, 10701), (8487, 9193)]