197061921

素因数分解:

$3^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{8713}}^1$

素因数の和:9085

約数の個数: 24

約数和(自身を含む): 326252160

約数和(自身を除く): 129190239

約数列:

[1, 3, 7, 9, 21, 63, 359, 1077, 2513, 3231, 7539, 8713, 22617, 26139, 60991, 78417, 182973, 548919, 3127967, 9383901, 21895769, 28151703, 65687307, 197061921]

約数ペア:

[(1, 197061921), (3, 65687307), (7, 28151703), (9, 21895769), (21, 9383901), (63, 3127967), (359, 548919), (1077, 182973), (2513, 78417), (3231, 60991), (7539, 26139), (8713, 22617)]