1020015

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1193}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 1862640

約数和(自身を除く): 842625

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 1193, 3579, 5965, 10737, 17895, 22667, 53685, 68001, 113335, 204003, 340005, 1020015]

約数ペア:

[(1, 1020015), (3, 340005), (5, 204003), (9, 113335), (15, 68001), (19, 53685), (45, 22667), (57, 17895), (95, 10737), (171, 5965), (285, 3579), (855, 1193)]