15777853

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 22063104

約数和(自身を除く): 6285251

約数列:

[1, 7, 13, 17, 31, 47, 49, 91, 119, 217, 221, 329, 403, 527, 611, 637, 799, 833, 1457, 1519, 1547, 2303, 2821, 3689, 4277, 5593, 6851, 10199, 10387, 10829, 18941, 19747, 24769, 25823, 29939, 39151, 47957, 71393, 72709, 132587, 173383, 321997, 335699, 508963, 928109, 1213681, 2253979, 15777853]

約数ペア:

[(1, 15777853), (7, 2253979), (13, 1213681), (17, 928109), (31, 508963), (47, 335699), (49, 321997), (91, 173383), (119, 132587), (217, 72709), (221, 71393), (329, 47957), (403, 39151), (527, 29939), (611, 25823), (637, 24769), (799, 19747), (833, 18941), (1457, 10829), (1519, 10387), (1547, 10199), (2303, 6851), (2821, 5593), (3689, 4277)]