28725849

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{373}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 42785600

約数和(自身を除く): 14059751

約数列:

[1, 3, 9, 43, 129, 199, 373, 387, 597, 1119, 1791, 3357, 8557, 16039, 25671, 48117, 74227, 77013, 144351, 222681, 668043, 3191761, 9575283, 28725849]

約数ペア:

[(1, 28725849), (3, 9575283), (9, 3191761), (43, 668043), (129, 222681), (199, 144351), (373, 77013), (387, 74227), (597, 48117), (1119, 25671), (1791, 16039), (3357, 8557)]