28835859

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 47996928

約数和(自身を除く): 19161069

約数列:

[1, 3, 13, 17, 23, 31, 39, 51, 61, 69, 93, 183, 221, 299, 391, 403, 527, 663, 713, 793, 897, 1037, 1173, 1209, 1403, 1581, 1891, 2139, 2379, 3111, 4209, 5083, 5673, 6851, 9269, 12121, 13481, 15249, 18239, 20553, 23851, 24583, 27807, 32147, 36363, 40443, 43493, 54717, 71553, 73749, 96441, 130479, 157573, 310063, 417911, 472719, 565409, 739381, 930189, 1253733, 1696227, 2218143, 9611953, 28835859]

約数ペア:

[(1, 28835859), (3, 9611953), (13, 2218143), (17, 1696227), (23, 1253733), (31, 930189), (39, 739381), (51, 565409), (61, 472719), (69, 417911), (93, 310063), (183, 157573), (221, 130479), (299, 96441), (391, 73749), (403, 71553), (527, 54717), (663, 43493), (713, 40443), (793, 36363), (897, 32147), (1037, 27807), (1173, 24583), (1209, 23851), (1403, 20553), (1581, 18239), (1891, 15249), (2139, 13481), (2379, 12121), (3111, 9269), (4209, 6851), (5083, 5673)]