71258691

素因数分解:

$3^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{1579}}^1$

素因数の和:1903

約数の個数: 24

約数和(自身を含む): 110953920

約数和(自身を除く): 39695229

約数列:

[1, 3, 7, 21, 49, 147, 307, 921, 1579, 2149, 4737, 6447, 11053, 15043, 33159, 45129, 77371, 232113, 484753, 1454259, 3393271, 10179813, 23752897, 71258691]

約数ペア:

[(1, 71258691), (3, 23752897), (7, 10179813), (21, 3393271), (49, 1454259), (147, 484753), (307, 232113), (921, 77371), (1579, 45129), (2149, 33159), (4737, 15043), (6447, 11053)]