12520431

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 24008400

約数和(自身を除く): 11487969

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 49, 63, 77, 87, 89, 99, 147, 203, 231, 261, 267, 319, 441, 539, 609, 623, 693, 801, 957, 979, 1421, 1617, 1827, 1869, 2233, 2581, 2871, 2937, 4263, 4361, 4851, 5607, 6699, 6853, 7743, 8811, 12789, 13083, 15631, 18067, 20097, 20559, 23229, 28391, 39249, 46893, 47971, 54201, 61677, 85173, 126469, 140679, 143913, 162603, 198737, 255519, 379407, 431739, 596211, 1138221, 1391159, 1788633, 4173477, 12520431]

約数ペア:

[(1, 12520431), (3, 4173477), (7, 1788633), (9, 1391159), (11, 1138221), (21, 596211), (29, 431739), (33, 379407), (49, 255519), (63, 198737), (77, 162603), (87, 143913), (89, 140679), (99, 126469), (147, 85173), (203, 61677), (231, 54201), (261, 47971), (267, 46893), (319, 39249), (441, 28391), (539, 23229), (609, 20559), (623, 20097), (693, 18067), (801, 15631), (957, 13083), (979, 12789), (1421, 8811), (1617, 7743), (1827, 6853), (1869, 6699), (2233, 5607), (2581, 4851), (2871, 4361), (2937, 4263)]