2158563

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:602

約数の個数: 16

約数和(自身を含む): 3168000

約数和(自身を除く): 1009437

約数列:

[1, 3, 11, 33, 149, 439, 447, 1317, 1639, 4829, 4917, 14487, 65411, 196233, 719521, 2158563]

約数ペア:

[(1, 2158563), (3, 719521), (11, 196233), (33, 65411), (149, 14487), (439, 4917), (447, 4829), (1317, 1639)]