23945271

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 39644640

約数和(自身を除く): 15699369

約数列:

[1, 3, 7, 21, 29, 41, 49, 87, 123, 137, 147, 203, 287, 411, 609, 861, 959, 1189, 1421, 2009, 2877, 3567, 3973, 4263, 5617, 6027, 6713, 8323, 11919, 16851, 20139, 24969, 27811, 39319, 58261, 83433, 117957, 162893, 174783, 194677, 275233, 488679, 584031, 825699, 1140251, 3420753, 7981757, 23945271]

約数ペア:

[(1, 23945271), (3, 7981757), (7, 3420753), (21, 1140251), (29, 825699), (41, 584031), (49, 488679), (87, 275233), (123, 194677), (137, 174783), (147, 162893), (203, 117957), (287, 83433), (411, 58261), (609, 39319), (861, 27811), (959, 24969), (1189, 20139), (1421, 16851), (2009, 11919), (2877, 8323), (3567, 6713), (3973, 6027), (4263, 5617)]