811395

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 1616160

約数和(自身を除く): 804765

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 73, 95, 117, 171, 195, 219, 247, 285, 365, 585, 657, 741, 855, 949, 1095, 1235, 1387, 2223, 2847, 3285, 3705, 4161, 4745, 6935, 8541, 11115, 12483, 14235, 18031, 20805, 42705, 54093, 62415, 90155, 162279, 270465, 811395]

約数ペア:

[(1, 811395), (3, 270465), (5, 162279), (9, 90155), (13, 62415), (15, 54093), (19, 42705), (39, 20805), (45, 18031), (57, 14235), (65, 12483), (73, 11115), (95, 8541), (117, 6935), (171, 4745), (195, 4161), (219, 3705), (247, 3285), (285, 2847), (365, 2223), (585, 1387), (657, 1235), (741, 1095), (855, 949)]