820395

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 32

約数和(自身を含む): 1497600

約数和(自身を除く): 677205

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 103, 135, 177, 295, 309, 515, 531, 885, 927, 1545, 1593, 2655, 2781, 4635, 6077, 7965, 13905, 18231, 30385, 54693, 91155, 164079, 273465, 820395]

約数ペア:

[(1, 820395), (3, 273465), (5, 164079), (9, 91155), (15, 54693), (27, 30385), (45, 18231), (59, 13905), (103, 7965), (135, 6077), (177, 4635), (295, 2781), (309, 2655), (515, 1593), (531, 1545), (885, 927)]