218680917

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{10973}}^1$

素因数の和:11069

約数の個数: 32

約数和(自身を含む): 363810048

約数和(自身を除く): 145129131

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1533, 2847, 6643, 10973, 19929, 32919, 76811, 142649, 230433, 427947, 801029, 998543, 2403087, 2995629, 5607203, 10413377, 16821609, 31240131, 72893639, 218680917]

約数ペア:

[(1, 218680917), (3, 72893639), (7, 31240131), (13, 16821609), (21, 10413377), (39, 5607203), (73, 2995629), (91, 2403087), (219, 998543), (273, 801029), (511, 427947), (949, 230433), (1533, 142649), (2847, 76811), (6643, 32919), (10973, 19929)]