138218745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{5903}}^1$

素因数の和:6141

約数の個数: 32

約数和(自身を含む): 253919232

約数和(自身を除く): 115700487

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 223, 669, 1115, 1561, 3345, 4683, 5903, 7805, 17709, 23415, 29515, 41321, 88545, 123963, 206605, 619815, 1316369, 3949107, 6581845, 9214583, 19745535, 27643749, 46072915, 138218745]

約数ペア:

[(1, 138218745), (3, 46072915), (5, 27643749), (7, 19745535), (15, 9214583), (21, 6581845), (35, 3949107), (105, 1316369), (223, 619815), (669, 206605), (1115, 123963), (1561, 88545), (3345, 41321), (4683, 29515), (5903, 23415), (7805, 17709)]