207979921

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{1667}}^1$

素因数の和:1904

約数の個数: 16

約数和(自身を含む): 226981440

約数和(自身を除く): 19001519

約数列:

[1, 17, 41, 179, 697, 1667, 3043, 7339, 28339, 68347, 124763, 298393, 1161899, 5072681, 12234113, 207979921]

約数ペア:

[(1, 207979921), (17, 12234113), (41, 5072681), (179, 1161899), (697, 298393), (1667, 124763), (3043, 68347), (7339, 28339)]