20210135877

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{1999}}^1$

素因数の和:2343

約数の個数: 64

約数和(自身を含む): 31703040000

約数和(自身を除く): 11492904123

約数列:

[1, 3, 9, 27, 31, 47, 93, 141, 257, 279, 423, 771, 837, 1269, 1457, 1999, 2313, 4371, 5997, 6939, 7967, 12079, 13113, 17991, 23901, 36237, 39339, 53973, 61969, 71703, 93953, 108711, 185907, 215109, 281859, 326133, 374449, 513743, 557721, 845577, 1123347, 1541229, 1673163, 2536731, 2912543, 3370041, 4623687, 8737629, 10110123, 13871061, 15926033, 24145921, 26212887, 47778099, 72437763, 78638661, 143334297, 217313289, 430002891, 651939867, 748523551, 2245570653, 6736711959, 20210135877]

約数ペア:

[(1, 20210135877), (3, 6736711959), (9, 2245570653), (27, 748523551), (31, 651939867), (47, 430002891), (93, 217313289), (141, 143334297), (257, 78638661), (279, 72437763), (423, 47778099), (771, 26212887), (837, 24145921), (1269, 15926033), (1457, 13871061), (1999, 10110123), (2313, 8737629), (4371, 4623687), (5997, 3370041), (6939, 2912543), (7967, 2536731), (12079, 1673163), (13113, 1541229), (17991, 1123347), (23901, 845577), (36237, 557721), (39339, 513743), (53973, 374449), (61969, 326133), (71703, 281859), (93953, 215109), (108711, 185907)]