221008983

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1699

約数の個数: 32

約数和(自身を含む): 328950720

約数和(自身を除く): 107941737

約数列:

[1, 3, 13, 39, 41, 89, 123, 267, 533, 1157, 1553, 1599, 3471, 3649, 4659, 10947, 20189, 47437, 60567, 63673, 138217, 142311, 191019, 414651, 827749, 1796821, 2483247, 5390463, 5666897, 17000691, 73669661, 221008983]

約数ペア:

[(1, 221008983), (3, 73669661), (13, 17000691), (39, 5666897), (41, 5390463), (89, 2483247), (123, 1796821), (267, 827749), (533, 414651), (1157, 191019), (1553, 142311), (1599, 138217), (3471, 63673), (3649, 60567), (4659, 47437), (10947, 20189)]