28591521

素因数分解:

$3^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{2243}}^1$

素因数の和:2860

約数の個数: 16

約数和(自身を含む): 43659264

約数和(自身を除く): 15067743

約数列:

[1, 3, 7, 21, 607, 1821, 2243, 4249, 6729, 12747, 15701, 47103, 1361501, 4084503, 9530507, 28591521]

約数ペア:

[(1, 28591521), (3, 9530507), (7, 4084503), (21, 1361501), (607, 47103), (1821, 15701), (2243, 12747), (4249, 6729)]