1680315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 3311616

約数和(自身を除く): 1631301

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1231, 1365, 3693, 6155, 8617, 16003, 18465, 25851, 43085, 48009, 80015, 112021, 129255, 240045, 336063, 560105, 1680315]

約数ペア:

[(1, 1680315), (3, 560105), (5, 336063), (7, 240045), (13, 129255), (15, 112021), (21, 80015), (35, 48009), (39, 43085), (65, 25851), (91, 18465), (105, 16003), (195, 8617), (273, 6155), (455, 3693), (1231, 1365)]