647156727

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{5381}}^1$

素因数の和:5500

約数の個数: 48

約数和(自身を含む): 1128411648

約数和(自身を除く): 481254921

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 83, 161, 207, 249, 483, 581, 747, 1449, 1743, 1909, 5229, 5381, 5727, 13363, 16143, 17181, 37667, 40089, 48429, 113001, 120267, 123763, 339003, 371289, 446623, 866341, 1113867, 1339869, 2599023, 3126361, 4019607, 7797069, 9379083, 10272329, 28137249, 30816987, 71906303, 92450961, 215718909, 647156727]

約数ペア:

[(1, 647156727), (3, 215718909), (7, 92450961), (9, 71906303), (21, 30816987), (23, 28137249), (63, 10272329), (69, 9379083), (83, 7797069), (161, 4019607), (207, 3126361), (249, 2599023), (483, 1339869), (581, 1113867), (747, 866341), (1449, 446623), (1743, 371289), (1909, 339003), (5229, 123763), (5381, 120267), (5727, 113001), (13363, 48429), (16143, 40089), (17181, 37667)]