2811405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 4872960

約数和(自身を除く): 2061555

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 281, 345, 435, 667, 843, 1405, 2001, 3335, 4215, 6463, 8149, 10005, 19389, 24447, 32315, 40745, 96945, 122235, 187427, 562281, 937135, 2811405]

約数ペア:

[(1, 2811405), (3, 937135), (5, 562281), (15, 187427), (23, 122235), (29, 96945), (69, 40745), (87, 32315), (115, 24447), (145, 19389), (281, 10005), (345, 8149), (435, 6463), (667, 4215), (843, 3335), (1405, 2001)]