51868269

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:423

約数の個数: 40

約数和(自身を含む): 81544320

約数和(自身を除く): 29676051

約数列:

[1, 3, 9, 27, 29, 71, 81, 87, 213, 261, 311, 639, 783, 933, 1917, 2059, 2349, 2799, 5751, 6177, 8397, 9019, 18531, 22081, 25191, 27057, 55593, 66243, 81171, 166779, 198729, 243513, 596187, 640349, 730539, 1788561, 1921047, 5763141, 17289423, 51868269]

約数ペア:

[(1, 51868269), (3, 17289423), (9, 5763141), (27, 1921047), (29, 1788561), (71, 730539), (81, 640349), (87, 596187), (213, 243513), (261, 198729), (311, 166779), (639, 81171), (783, 66243), (933, 55593), (1917, 27057), (2059, 25191), (2349, 22081), (2799, 18531), (5751, 9019), (6177, 8397)]