12807171

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 21700224

約数和(自身を除く): 8893053

約数列:

[1, 3, 9, 13, 17, 39, 47, 51, 117, 137, 141, 153, 221, 411, 423, 611, 663, 799, 1233, 1781, 1833, 1989, 2329, 2397, 5343, 5499, 6439, 6987, 7191, 10387, 16029, 19317, 20961, 30277, 31161, 57951, 83707, 90831, 93483, 109463, 251121, 272493, 328389, 753363, 985167, 1423019, 4269057, 12807171]

約数ペア:

[(1, 12807171), (3, 4269057), (9, 1423019), (13, 985167), (17, 753363), (39, 328389), (47, 272493), (51, 251121), (117, 109463), (137, 93483), (141, 90831), (153, 83707), (221, 57951), (411, 31161), (423, 30277), (611, 20961), (663, 19317), (799, 16029), (1233, 10387), (1781, 7191), (1833, 6987), (1989, 6439), (2329, 5499), (2397, 5343)]