71865255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1447}}^1$

素因数の和:1516

約数の個数: 64

約数和(自身を含む): 146792448

約数和(自身を除く): 74927193

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 43, 55, 77, 105, 129, 165, 215, 231, 301, 385, 473, 645, 903, 1155, 1419, 1447, 1505, 2365, 3311, 4341, 4515, 7095, 7235, 9933, 10129, 15917, 16555, 21705, 30387, 47751, 49665, 50645, 62221, 79585, 111419, 151935, 186663, 238755, 311105, 334257, 435547, 557095, 684431, 933315, 1306641, 1671285, 2053293, 2177735, 3422155, 4791017, 6533205, 10266465, 14373051, 23955085, 71865255]

約数ペア:

[(1, 71865255), (3, 23955085), (5, 14373051), (7, 10266465), (11, 6533205), (15, 4791017), (21, 3422155), (33, 2177735), (35, 2053293), (43, 1671285), (55, 1306641), (77, 933315), (105, 684431), (129, 557095), (165, 435547), (215, 334257), (231, 311105), (301, 238755), (385, 186663), (473, 151935), (645, 111419), (903, 79585), (1155, 62221), (1419, 50645), (1447, 49665), (1505, 47751), (2365, 30387), (3311, 21705), (4341, 16555), (4515, 15917), (7095, 10129), (7235, 9933)]