30780513

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2069}}^1$

素因数の和:2126

約数の個数: 32

約数和(自身を含む): 49680000

約数和(自身を除く): 18899487

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 551, 783, 1653, 2069, 4959, 6207, 14877, 18621, 39311, 55863, 60001, 117933, 180003, 353799, 540009, 1061397, 1140019, 1620027, 3420057, 10260171, 30780513]

約数ペア:

[(1, 30780513), (3, 10260171), (9, 3420057), (19, 1620027), (27, 1140019), (29, 1061397), (57, 540009), (87, 353799), (171, 180003), (261, 117933), (513, 60001), (551, 55863), (783, 39311), (1653, 18621), (2069, 14877), (4959, 6207)]