281865

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 32

約数和(自身を含む): 506880

約数和(自身を除く): 225015

約数列:

[1, 3, 5, 15, 19, 23, 43, 57, 69, 95, 115, 129, 215, 285, 345, 437, 645, 817, 989, 1311, 2185, 2451, 2967, 4085, 4945, 6555, 12255, 14835, 18791, 56373, 93955, 281865]

約数ペア:

[(1, 281865), (3, 93955), (5, 56373), (15, 18791), (19, 14835), (23, 12255), (43, 6555), (57, 4945), (69, 4085), (95, 2967), (115, 2451), (129, 2185), (215, 1311), (285, 989), (345, 817), (437, 645)]