168671997

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{727}}^1$

素因数の和:1410

約数の個数: 32

約数和(自身を含む): 269884160

約数和(自身を除く): 101212163

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 661, 727, 1983, 2181, 5949, 6543, 8593, 9451, 17847, 19629, 25779, 28353, 77337, 85059, 232011, 255177, 480547, 1441641, 4324923, 6247111, 12974769, 18741333, 56223999, 168671997]

約数ペア:

[(1, 168671997), (3, 56223999), (9, 18741333), (13, 12974769), (27, 6247111), (39, 4324923), (117, 1441641), (351, 480547), (661, 255177), (727, 232011), (1983, 85059), (2181, 77337), (5949, 28353), (6543, 25779), (8593, 19629), (9451, 17847)]