81578805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6421}}^1$

素因数の和:6458

約数の個数: 48

約数和(自身を含む): 163992192

約数和(自身を除く): 82413387

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1815, 2541, 4235, 6421, 12705, 19263, 32105, 44947, 70631, 96315, 134841, 211893, 224735, 353155, 494417, 674205, 776941, 1059465, 1483251, 2330823, 2472085, 3884705, 5438587, 7416255, 11654115, 16315761, 27192935, 81578805]

約数ペア:

[(1, 81578805), (3, 27192935), (5, 16315761), (7, 11654115), (11, 7416255), (15, 5438587), (21, 3884705), (33, 2472085), (35, 2330823), (55, 1483251), (77, 1059465), (105, 776941), (121, 674205), (165, 494417), (231, 353155), (363, 224735), (385, 211893), (605, 134841), (847, 96315), (1155, 70631), (1815, 44947), (2541, 32105), (4235, 19263), (6421, 12705)]