23871519

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 43130880

約数和(自身を除く): 19259361

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 93, 119, 153, 217, 279, 357, 527, 651, 719, 1071, 1581, 1953, 2157, 3689, 4743, 5033, 6471, 11067, 12223, 15099, 22289, 33201, 36669, 45297, 66867, 85561, 110007, 156023, 200601, 256683, 378913, 468069, 770049, 1136739, 1404207, 2652391, 3410217, 7957173, 23871519]

約数ペア:

[(1, 23871519), (3, 7957173), (7, 3410217), (9, 2652391), (17, 1404207), (21, 1136739), (31, 770049), (51, 468069), (63, 378913), (93, 256683), (119, 200601), (153, 156023), (217, 110007), (279, 85561), (357, 66867), (527, 45297), (651, 36669), (719, 33201), (1071, 22289), (1581, 15099), (1953, 12223), (2157, 11067), (3689, 6471), (4743, 5033)]