81514755

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{28753}}^1$

素因数の和:28777

約数の個数: 40

約数和(自身を含む): 167003232

約数和(自身を除く): 85488477

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 28753, 86259, 143765, 201271, 258777, 431295, 603813, 776331, 1006355, 1293885, 1811439, 2328993, 3019065, 3881655, 5434317, 9057195, 11644965, 16302951, 27171585, 81514755]

約数ペア:

[(1, 81514755), (3, 27171585), (5, 16302951), (7, 11644965), (9, 9057195), (15, 5434317), (21, 3881655), (27, 3019065), (35, 2328993), (45, 1811439), (63, 1293885), (81, 1006355), (105, 776331), (135, 603813), (189, 431295), (315, 258777), (405, 201271), (567, 143765), (945, 86259), (2835, 28753)]