207944919

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{253901}}^1$

素因数の和:253927

約数の個数: 24

約数和(自身を含む): 369681312

約数和(自身を除く): 161736393

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 253901, 761703, 1777307, 2285109, 3300713, 5331921, 9902139, 15995763, 23104991, 29706417, 69314973, 207944919]

約数ペア:

[(1, 207944919), (3, 69314973), (7, 29706417), (9, 23104991), (13, 15995763), (21, 9902139), (39, 5331921), (63, 3300713), (91, 2285109), (117, 1777307), (273, 761703), (819, 253901)]