13291839

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 22284288

約数和(自身を除く): 8992449

約数列:

[1, 3, 9, 11, 31, 33, 61, 71, 93, 99, 183, 213, 279, 341, 549, 639, 671, 781, 1023, 1891, 2013, 2201, 2343, 3069, 4331, 5673, 6039, 6603, 7029, 12993, 17019, 19809, 20801, 24211, 38979, 47641, 62403, 72633, 134261, 142923, 187209, 217899, 402783, 428769, 1208349, 1476871, 4430613, 13291839]

約数ペア:

[(1, 13291839), (3, 4430613), (9, 1476871), (11, 1208349), (31, 428769), (33, 402783), (61, 217899), (71, 187209), (93, 142923), (99, 134261), (183, 72633), (213, 62403), (279, 47641), (341, 38979), (549, 24211), (639, 20801), (671, 19809), (781, 17019), (1023, 12993), (1891, 7029), (2013, 6603), (2201, 6039), (2343, 5673), (3069, 4331)]