7715421

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 13628160

約数和(自身を除く): 5912739

約数列:

[1, 3, 7, 9, 21, 29, 41, 63, 87, 103, 123, 203, 261, 287, 309, 369, 609, 721, 861, 927, 1189, 1827, 2163, 2583, 2987, 3567, 4223, 6489, 8323, 8961, 10701, 12669, 20909, 24969, 26883, 29561, 38007, 62727, 74907, 88683, 122467, 188181, 266049, 367401, 857269, 1102203, 2571807, 7715421]

約数ペア:

[(1, 7715421), (3, 2571807), (7, 1102203), (9, 857269), (21, 367401), (29, 266049), (41, 188181), (63, 122467), (87, 88683), (103, 74907), (123, 62727), (203, 38007), (261, 29561), (287, 26883), (309, 24969), (369, 20909), (609, 12669), (721, 10701), (861, 8961), (927, 8323), (1189, 6489), (1827, 4223), (2163, 3567), (2583, 2987)]