17907987

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 26763264

約数和(自身を除く): 8855277

約数列:

[1, 3, 17, 31, 47, 51, 93, 141, 241, 527, 723, 799, 1457, 1581, 2397, 4097, 4371, 7471, 11327, 12291, 22413, 24769, 33981, 74307, 127007, 192559, 351137, 381021, 577677, 1053411, 5969329, 17907987]

約数ペア:

[(1, 17907987), (3, 5969329), (17, 1053411), (31, 577677), (47, 381021), (51, 351137), (93, 192559), (141, 127007), (241, 74307), (527, 33981), (723, 24769), (799, 22413), (1457, 12291), (1581, 11327), (2397, 7471), (4097, 4371)]