16159671

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 27406080

約数和(自身を除く): 11246409

約数列:

[1, 3, 9, 11, 19, 33, 57, 71, 99, 121, 171, 209, 213, 363, 627, 639, 781, 1089, 1331, 1349, 1881, 2299, 2343, 3993, 4047, 6897, 7029, 8591, 11979, 12141, 14839, 20691, 25289, 25773, 44517, 75867, 77319, 94501, 133551, 163229, 227601, 283503, 489687, 850509, 1469061, 1795519, 5386557, 16159671]

約数ペア:

[(1, 16159671), (3, 5386557), (9, 1795519), (11, 1469061), (19, 850509), (33, 489687), (57, 283503), (71, 227601), (99, 163229), (121, 133551), (171, 94501), (209, 77319), (213, 75867), (363, 44517), (627, 25773), (639, 25289), (781, 20691), (1089, 14839), (1331, 12141), (1349, 11979), (1881, 8591), (2299, 7029), (2343, 6897), (3993, 4047)]