27720741915

素因数分解:

$3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{620359}}^1$

素因数の和:620704

約数の個数: 32

約数和(自身を含む): 49430284800

約数和(自身を除く): 21709542885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 331, 993, 1655, 2979, 4965, 8937, 14895, 44685, 620359, 1861077, 3101795, 5583231, 9305385, 16749693, 27916155, 83748465, 205338829, 616016487, 1026694145, 1848049461, 3080082435, 5544148383, 9240247305, 27720741915]

約数ペア:

[(1, 27720741915), (3, 9240247305), (5, 5544148383), (9, 3080082435), (15, 1848049461), (27, 1026694145), (45, 616016487), (135, 205338829), (331, 83748465), (993, 27916155), (1655, 16749693), (2979, 9305385), (4965, 5583231), (8937, 3101795), (14895, 1861077), (44685, 620359)]