16940415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2143}}^1$

素因数の和:2199

約数の個数: 32

約数和(自身を含む): 29638656

約数和(自身を除く): 12698241

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2143, 2635, 6429, 7905, 10715, 32145, 36431, 66433, 109293, 182155, 199299, 332165, 546465, 996495, 1129361, 3388083, 5646805, 16940415]

約数ペア:

[(1, 16940415), (3, 5646805), (5, 3388083), (15, 1129361), (17, 996495), (31, 546465), (51, 332165), (85, 199299), (93, 182155), (155, 109293), (255, 66433), (465, 36431), (527, 32145), (1581, 10715), (2143, 7905), (2635, 6429)]