13891647

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 24033024

約数和(自身を除く): 10141377

約数列:

[1, 3, 7, 11, 21, 33, 49, 71, 77, 121, 147, 213, 231, 363, 497, 539, 781, 847, 1331, 1491, 1617, 2343, 2541, 3479, 3993, 5467, 5929, 8591, 9317, 10437, 16401, 17787, 25773, 27951, 38269, 60137, 65219, 94501, 114807, 180411, 195657, 283503, 420959, 661507, 1262877, 1984521, 4630549, 13891647]

約数ペア:

[(1, 13891647), (3, 4630549), (7, 1984521), (11, 1262877), (21, 661507), (33, 420959), (49, 283503), (71, 195657), (77, 180411), (121, 114807), (147, 94501), (213, 65219), (231, 60137), (363, 38269), (497, 27951), (539, 25773), (781, 17787), (847, 16401), (1331, 10437), (1491, 9317), (1617, 8591), (2343, 5929), (2541, 5467), (3479, 3993)]