720203913

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1811}}^1$

素因数の和:1947

約数の個数: 64

約数和(自身を含む): 1266370560

約数和(自身を除く): 546166647

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 103, 117, 143, 297, 309, 351, 429, 927, 1133, 1287, 1339, 1811, 2781, 3399, 3861, 4017, 5433, 10197, 12051, 14729, 16299, 19921, 23543, 30591, 36153, 44187, 48897, 59763, 70629, 132561, 179289, 186533, 211887, 258973, 397683, 537867, 559599, 635661, 776919, 1678797, 2051863, 2330757, 2424929, 5036391, 6155589, 6992271, 7274787, 18466767, 21824361, 26674219, 55400301, 65473083, 80022657, 240067971, 720203913]

約数ペア:

[(1, 720203913), (3, 240067971), (9, 80022657), (11, 65473083), (13, 55400301), (27, 26674219), (33, 21824361), (39, 18466767), (99, 7274787), (103, 6992271), (117, 6155589), (143, 5036391), (297, 2424929), (309, 2330757), (351, 2051863), (429, 1678797), (927, 776919), (1133, 635661), (1287, 559599), (1339, 537867), (1811, 397683), (2781, 258973), (3399, 211887), (3861, 186533), (4017, 179289), (5433, 132561), (10197, 70629), (12051, 59763), (14729, 48897), (16299, 44187), (19921, 36153), (23543, 30591)]