206906973

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1489}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 340435200

約数和(自身を除く): 133528227

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 509, 1489, 1527, 3563, 4467, 6617, 10423, 10689, 19357, 19851, 31269, 46319, 58071, 135499, 138957, 406497, 757901, 2273703, 5305307, 9852713, 15915921, 29558139, 68968991, 206906973]

約数ペア:

[(1, 206906973), (3, 68968991), (7, 29558139), (13, 15915921), (21, 9852713), (39, 5305307), (91, 2273703), (273, 757901), (509, 406497), (1489, 138957), (1527, 135499), (3563, 58071), (4467, 46319), (6617, 31269), (10423, 19851), (10689, 19357)]