199891503

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 353689600

約数和(自身を除く): 153798097

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 109, 189, 217, 279, 313, 327, 651, 763, 837, 939, 981, 1953, 2191, 2289, 2817, 2943, 3379, 5859, 6573, 6867, 8451, 9703, 10137, 19719, 20601, 23653, 29109, 30411, 34117, 59157, 67921, 70959, 87327, 91233, 102351, 203763, 212877, 238819, 261981, 307053, 611289, 638631, 716457, 921159, 1057627, 1833867, 2149371, 3172881, 6448113, 7403389, 9518643, 22210167, 28555929, 66630501, 199891503]

約数ペア:

[(1, 199891503), (3, 66630501), (7, 28555929), (9, 22210167), (21, 9518643), (27, 7403389), (31, 6448113), (63, 3172881), (93, 2149371), (109, 1833867), (189, 1057627), (217, 921159), (279, 716457), (313, 638631), (327, 611289), (651, 307053), (763, 261981), (837, 238819), (939, 212877), (981, 203763), (1953, 102351), (2191, 91233), (2289, 87327), (2817, 70959), (2943, 67921), (3379, 59157), (5859, 34117), (6573, 30411), (6867, 29109), (8451, 23653), (9703, 20601), (10137, 19719)]