15965703

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 27518400

約数和(自身を除く): 11552697

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 349, 391, 663, 897, 1047, 1173, 1989, 2691, 3141, 3519, 4537, 5083, 5933, 8027, 13611, 15249, 17799, 24081, 40833, 45747, 53397, 72243, 77129, 104351, 136459, 231387, 313053, 409377, 694161, 939159, 1228131, 1773967, 5321901, 15965703]

約数ペア:

[(1, 15965703), (3, 5321901), (9, 1773967), (13, 1228131), (17, 939159), (23, 694161), (39, 409377), (51, 313053), (69, 231387), (117, 136459), (153, 104351), (207, 77129), (221, 72243), (299, 53397), (349, 45747), (391, 40833), (663, 24081), (897, 17799), (1047, 15249), (1173, 13611), (1989, 8027), (2691, 5933), (3141, 5083), (3519, 4537)]