1781262

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 4497792

約数和(自身を除く): 2716530

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 67, 126, 134, 201, 211, 402, 422, 469, 603, 633, 938, 1206, 1266, 1407, 1477, 1899, 2814, 2954, 3798, 4221, 4431, 8442, 8862, 13293, 14137, 26586, 28274, 42411, 84822, 98959, 127233, 197918, 254466, 296877, 593754, 890631, 1781262]

約数ペア:

[(1, 1781262), (2, 890631), (3, 593754), (6, 296877), (7, 254466), (9, 197918), (14, 127233), (18, 98959), (21, 84822), (42, 42411), (63, 28274), (67, 26586), (126, 14137), (134, 13293), (201, 8862), (211, 8442), (402, 4431), (422, 4221), (469, 3798), (603, 2954), (633, 2814), (938, 1899), (1206, 1477), (1266, 1407)]