220165317

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{15473}}^1$

素因数の和:15530

約数の個数: 32

約数和(自身を含む): 356520960

約数和(自身を除く): 136355643

約数列:

[1, 3, 9, 17, 27, 31, 51, 93, 153, 279, 459, 527, 837, 1581, 4743, 14229, 15473, 46419, 139257, 263041, 417771, 479663, 789123, 1438989, 2367369, 4316967, 7102107, 8154271, 12950901, 24462813, 73388439, 220165317]

約数ペア:

[(1, 220165317), (3, 73388439), (9, 24462813), (17, 12950901), (27, 8154271), (31, 7102107), (51, 4316967), (93, 2367369), (153, 1438989), (279, 789123), (459, 479663), (527, 417771), (837, 263041), (1581, 139257), (4743, 46419), (14229, 15473)]