816465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 32

約数和(自身を含む): 1451520

約数和(自身を除く): 635055

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 79, 159, 195, 237, 265, 395, 689, 795, 1027, 1185, 2067, 3081, 3445, 4187, 5135, 10335, 12561, 15405, 20935, 54431, 62805, 163293, 272155, 816465]

約数ペア:

[(1, 816465), (3, 272155), (5, 163293), (13, 62805), (15, 54431), (39, 20935), (53, 15405), (65, 12561), (79, 10335), (159, 5135), (195, 4187), (237, 3445), (265, 3081), (395, 2067), (689, 1185), (795, 1027)]