15975918

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1231}}^1$

素因数の和:1349

約数の個数: 48

約数和(自身を含む): 39975936

約数和(自身を除く): 24000018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 103, 126, 206, 309, 618, 721, 927, 1231, 1442, 1854, 2163, 2462, 3693, 4326, 6489, 7386, 8617, 11079, 12978, 17234, 22158, 25851, 51702, 77553, 126793, 155106, 253586, 380379, 760758, 887551, 1141137, 1775102, 2282274, 2662653, 5325306, 7987959, 15975918]

約数ペア:

[(1, 15975918), (2, 7987959), (3, 5325306), (6, 2662653), (7, 2282274), (9, 1775102), (14, 1141137), (18, 887551), (21, 760758), (42, 380379), (63, 253586), (103, 155106), (126, 126793), (206, 77553), (309, 51702), (618, 25851), (721, 22158), (927, 17234), (1231, 12978), (1442, 11079), (1854, 8617), (2163, 7386), (2462, 6489), (3693, 4326)]