16858995

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 28062720

約数和(自身を除く): 11203725

約数列:

[1, 3, 5, 15, 41, 79, 123, 205, 237, 347, 395, 615, 1041, 1185, 1735, 3239, 5205, 9717, 14227, 16195, 27413, 42681, 48585, 71135, 82239, 137065, 213405, 411195, 1123933, 3371799, 5619665, 16858995]

約数ペア:

[(1, 16858995), (3, 5619665), (5, 3371799), (15, 1123933), (41, 411195), (79, 213405), (123, 137065), (205, 82239), (237, 71135), (347, 48585), (395, 42681), (615, 27413), (1041, 16195), (1185, 14227), (1735, 9717), (3239, 5205)]