580419

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:136

約数の個数: 32

約数和(自身を含む): 1021440

約数和(自身を除く): 441021

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 83, 111, 189, 249, 259, 333, 581, 747, 777, 999, 1743, 2241, 2331, 3071, 5229, 6993, 9213, 15687, 21497, 27639, 64491, 82917, 193473, 580419]

約数ペア:

[(1, 580419), (3, 193473), (7, 82917), (9, 64491), (21, 27639), (27, 21497), (37, 15687), (63, 9213), (83, 6993), (111, 5229), (189, 3071), (249, 2331), (259, 2241), (333, 1743), (581, 999), (747, 777)]