81308055

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3407}}^1$

素因数の和:3495

約数の個数: 32

約数和(自身を含む): 136756224

約数和(自身を除く): 55448169

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 1591, 3407, 4773, 7955, 10221, 17035, 23865, 51105, 126059, 146501, 378177, 439503, 630295, 732505, 1890885, 2197515, 5420537, 16261611, 27102685, 81308055]

約数ペア:

[(1, 81308055), (3, 27102685), (5, 16261611), (15, 5420537), (37, 2197515), (43, 1890885), (111, 732505), (129, 630295), (185, 439503), (215, 378177), (555, 146501), (645, 126059), (1591, 51105), (3407, 23865), (4773, 17035), (7955, 10221)]