81891162

素因数分解:

$2^1\times 3^4\times {\mathrm{505501}}^1$

素因数の和:505515

約数の個数: 20

約数和(自身を含む): 183497226

約数和(自身を除く): 101606064

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 505501, 1011002, 1516503, 3033006, 4549509, 9099018, 13648527, 27297054, 40945581, 81891162]

約数ペア:

[(1, 81891162), (2, 40945581), (3, 27297054), (6, 13648527), (9, 9099018), (18, 4549509), (27, 3033006), (54, 1516503), (81, 1011002), (162, 505501)]