12491895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 22750560

約数和(自身を除く): 10258665

約数列:

[1, 3, 5, 13, 15, 29, 39, 47, 65, 87, 141, 145, 195, 235, 377, 435, 611, 705, 1131, 1363, 1833, 1885, 2209, 3055, 4089, 5655, 6627, 6815, 9165, 11045, 17719, 20445, 28717, 33135, 53157, 64061, 86151, 88595, 143585, 192183, 265785, 320305, 430755, 832793, 960915, 2498379, 4163965, 12491895]

約数ペア:

[(1, 12491895), (3, 4163965), (5, 2498379), (13, 960915), (15, 832793), (29, 430755), (39, 320305), (47, 265785), (65, 192183), (87, 143585), (141, 88595), (145, 86151), (195, 64061), (235, 53157), (377, 33135), (435, 28717), (611, 20445), (705, 17719), (1131, 11045), (1363, 9165), (1833, 6815), (1885, 6627), (2209, 5655), (3055, 4089)]