7285545

素因数分解:

$3^4\times 5^1\times {\mathrm{17989}}^1$

素因数の和:18006

約数の個数: 20

約数和(自身を含む): 13060740

約数和(自身を除く): 5775195

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 17989, 53967, 89945, 161901, 269835, 485703, 809505, 1457109, 2428515, 7285545]

約数ペア:

[(1, 7285545), (3, 2428515), (5, 1457109), (9, 809505), (15, 485703), (27, 269835), (45, 161901), (81, 89945), (135, 53967), (405, 17989)]