128519307

素因数分解:

$3^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{2579}}^1$

素因数の和:2712

約数の個数: 36

約数和(自身を含む): 217942920

約数和(自身を除く): 89423613

約数列:

[1, 3, 7, 9, 21, 49, 63, 113, 147, 339, 441, 791, 1017, 2373, 2579, 5537, 7119, 7737, 16611, 18053, 23211, 49833, 54159, 126371, 162477, 291427, 379113, 874281, 1137339, 2039989, 2622843, 6119967, 14279923, 18359901, 42839769, 128519307]

約数ペア:

[(1, 128519307), (3, 42839769), (7, 18359901), (9, 14279923), (21, 6119967), (49, 2622843), (63, 2039989), (113, 1137339), (147, 874281), (339, 379113), (441, 291427), (791, 162477), (1017, 126371), (2373, 54159), (2579, 49833), (5537, 23211), (7119, 18053), (7737, 16611)]