13175811

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 22237600

約数和(自身を除く): 9061789

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 109, 111, 121, 297, 327, 333, 363, 407, 981, 999, 1089, 1199, 1221, 2943, 3267, 3597, 3663, 4033, 4477, 10791, 10989, 12099, 13189, 13431, 32373, 36297, 39567, 40293, 44363, 108891, 118701, 120879, 133089, 356103, 399267, 487993, 1197801, 1463979, 4391937, 13175811]

約数ペア:

[(1, 13175811), (3, 4391937), (9, 1463979), (11, 1197801), (27, 487993), (33, 399267), (37, 356103), (99, 133089), (109, 120879), (111, 118701), (121, 108891), (297, 44363), (327, 40293), (333, 39567), (363, 36297), (407, 32373), (981, 13431), (999, 13189), (1089, 12099), (1199, 10989), (1221, 10791), (2943, 4477), (3267, 4033), (3597, 3663)]