668895165

素因数分解:

$3^5\times 5^1\times {\mathrm{550531}}^1$

素因数の和:550551

約数の個数: 24

約数和(自身を含む): 1202361888

約数和(自身を除く): 533466723

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 550531, 1651593, 2752655, 4954779, 8257965, 14864337, 24773895, 44593011, 74321685, 133779033, 222965055, 668895165]

約数ペア:

[(1, 668895165), (3, 222965055), (5, 133779033), (9, 74321685), (15, 44593011), (27, 24773895), (45, 14864337), (81, 8257965), (135, 4954779), (243, 2752655), (405, 1651593), (1215, 550531)]