8409339

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 40

約数和(自身を含む): 13799808

約数和(自身を除く): 5390469

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 93, 153, 197, 279, 459, 527, 591, 837, 1377, 1581, 1773, 2511, 3349, 4743, 5319, 6107, 10047, 14229, 15957, 18321, 30141, 42687, 54963, 90423, 103819, 164889, 271269, 311457, 494667, 934371, 2803113, 8409339]

約数ペア:

[(1, 8409339), (3, 2803113), (9, 934371), (17, 494667), (27, 311457), (31, 271269), (51, 164889), (81, 103819), (93, 90423), (153, 54963), (197, 42687), (279, 30141), (459, 18321), (527, 15957), (591, 14229), (837, 10047), (1377, 6107), (1581, 5319), (1773, 4743), (2511, 3349)]