16781505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2099}}^1$

素因数の和:2161

約数の個数: 32

約数和(自身を含む): 29635200

約数和(自身を除く): 12853695

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2099, 2665, 6297, 7995, 10495, 27287, 31485, 81861, 86059, 136435, 258177, 409305, 430295, 1118767, 1290885, 3356301, 5593835, 16781505]

約数ペア:

[(1, 16781505), (3, 5593835), (5, 3356301), (13, 1290885), (15, 1118767), (39, 430295), (41, 409305), (65, 258177), (123, 136435), (195, 86059), (205, 81861), (533, 31485), (615, 27287), (1599, 10495), (2099, 7995), (2665, 6297)]