397316163

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{787}}^1$

素因数の和:1347

約数の個数: 32

約数和(自身を含む): 592323840

約数和(自身を除く): 195007677

約数列:

[1, 3, 17, 19, 51, 57, 323, 521, 787, 969, 1563, 2361, 8857, 9899, 13379, 14953, 26571, 29697, 40137, 44859, 168283, 254201, 410027, 504849, 762603, 1230081, 6970459, 7790513, 20911377, 23371539, 132438721, 397316163]

約数ペア:

[(1, 397316163), (3, 132438721), (17, 23371539), (19, 20911377), (51, 7790513), (57, 6970459), (323, 1230081), (521, 762603), (787, 504849), (969, 410027), (1563, 254201), (2361, 168283), (8857, 44859), (9899, 40137), (13379, 29697), (14953, 26571)]