489676941

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{12799}}^1$

素因数の和:12930

約数の個数: 32

約数和(自身を含む): 788480000

約数和(自身を除く): 298803059

約数列:

[1, 3, 9, 13, 27, 39, 109, 117, 327, 351, 981, 1417, 2943, 4251, 12753, 12799, 38259, 38397, 115191, 166387, 345573, 499161, 1395091, 1497483, 4185273, 4492449, 12555819, 18136183, 37667457, 54408549, 163225647, 489676941]

約数ペア:

[(1, 489676941), (3, 163225647), (9, 54408549), (13, 37667457), (27, 18136183), (39, 12555819), (109, 4492449), (117, 4185273), (327, 1497483), (351, 1395091), (981, 499161), (1417, 345573), (2943, 166387), (4251, 115191), (12753, 38397), (12799, 38259)]