12681405

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 25769016

約数和(自身を除く): 13087611

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 121, 137, 153, 165, 187, 255, 363, 411, 495, 561, 605, 685, 765, 935, 1089, 1233, 1507, 1683, 1815, 2055, 2057, 2329, 2805, 4521, 5445, 6165, 6171, 6987, 7535, 8415, 10285, 11645, 13563, 16577, 18513, 20961, 22605, 25619, 30855, 34935, 49731, 67815, 76857, 82885, 92565, 104805, 128095, 149193, 230571, 248655, 281809, 384285, 745965, 845427, 1152855, 1409045, 2536281, 4227135, 12681405]

約数ペア:

[(1, 12681405), (3, 4227135), (5, 2536281), (9, 1409045), (11, 1152855), (15, 845427), (17, 745965), (33, 384285), (45, 281809), (51, 248655), (55, 230571), (85, 149193), (99, 128095), (121, 104805), (137, 92565), (153, 82885), (165, 76857), (187, 67815), (255, 49731), (363, 34935), (411, 30855), (495, 25619), (561, 22605), (605, 20961), (685, 18513), (765, 16577), (935, 13563), (1089, 11645), (1233, 10285), (1507, 8415), (1683, 7535), (1815, 6987), (2055, 6171), (2057, 6165), (2329, 5445), (2805, 4521)]