12519801

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 21909888

約数和(自身を除く): 9390087

約数列:

[1, 3, 7, 9, 21, 37, 41, 63, 111, 123, 131, 259, 287, 333, 369, 393, 777, 861, 917, 1179, 1517, 2331, 2583, 2751, 4551, 4847, 5371, 8253, 10619, 13653, 14541, 16113, 31857, 33929, 37597, 43623, 48339, 95571, 101787, 112791, 198727, 305361, 338373, 596181, 1391089, 1788543, 4173267, 12519801]

約数ペア:

[(1, 12519801), (3, 4173267), (7, 1788543), (9, 1391089), (21, 596181), (37, 338373), (41, 305361), (63, 198727), (111, 112791), (123, 101787), (131, 95571), (259, 48339), (287, 43623), (333, 37597), (369, 33929), (393, 31857), (777, 16113), (861, 14541), (917, 13653), (1179, 10619), (1517, 8253), (2331, 5371), (2583, 4847), (2751, 4551)]