81440865

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{14957}}^1$

素因数の和:14990

約数の個数: 36

約数和(自身を含む): 155174292

約数和(自身を除く): 73733427

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1815, 5445, 14957, 44871, 74785, 134613, 164527, 224355, 493581, 673065, 822635, 1480743, 1809797, 2467905, 5429391, 7403715, 9048985, 16288173, 27146955, 81440865]

約数ペア:

[(1, 81440865), (3, 27146955), (5, 16288173), (9, 9048985), (11, 7403715), (15, 5429391), (33, 2467905), (45, 1809797), (55, 1480743), (99, 822635), (121, 673065), (165, 493581), (363, 224355), (495, 164527), (605, 134613), (1089, 74785), (1815, 44871), (5445, 14957)]