13517987

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 32

約数和(自身を含む): 17364480

約数和(自身を除く): 3846493

約数列:

[1, 7, 19, 37, 41, 67, 133, 259, 287, 469, 703, 779, 1273, 1517, 2479, 2747, 4921, 5453, 8911, 10619, 17353, 19229, 28823, 47101, 52193, 101639, 201761, 329707, 365351, 711473, 1931141, 13517987]

約数ペア:

[(1, 13517987), (7, 1931141), (19, 711473), (37, 365351), (41, 329707), (67, 201761), (133, 101639), (259, 52193), (287, 47101), (469, 28823), (703, 19229), (779, 17353), (1273, 10619), (1517, 8911), (2479, 5453), (2747, 4921)]