221037519

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2857}}^1$

素因数の和:2955

約数の個数: 32

約数和(自身を含む): 328418496

約数和(自身を除く): 107380977

約数列:

[1, 3, 17, 37, 41, 51, 111, 123, 629, 697, 1517, 1887, 2091, 2857, 4551, 8571, 25789, 48569, 77367, 105709, 117137, 145707, 317127, 351411, 1797053, 1991329, 4334069, 5391159, 5973987, 13002207, 73679173, 221037519]

約数ペア:

[(1, 221037519), (3, 73679173), (17, 13002207), (37, 5973987), (41, 5391159), (51, 4334069), (111, 1991329), (123, 1797053), (629, 351411), (697, 317127), (1517, 145707), (1887, 117137), (2091, 105709), (2857, 77367), (4551, 48569), (8571, 25789)]