191392089

素因数分解:

$3^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{4241}}^1$

素因数の和:4565

約数の個数: 24

約数和(自身を含む): 297890208

約数和(自身を除く): 106498119

約数列:

[1, 3, 7, 21, 49, 147, 307, 921, 2149, 4241, 6447, 12723, 15043, 29687, 45129, 89061, 207809, 623427, 1301987, 3905961, 9113909, 27341727, 63797363, 191392089]

約数ペア:

[(1, 191392089), (3, 63797363), (7, 27341727), (21, 9113909), (49, 3905961), (147, 1301987), (307, 623427), (921, 207809), (2149, 89061), (4241, 45129), (6447, 29687), (12723, 15043)]