155604807

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 245306880

約数和(自身を除く): 89702073

約数列:

[1, 3, 9, 27, 29, 71, 81, 87, 213, 243, 261, 311, 639, 783, 933, 1917, 2059, 2349, 2799, 5751, 6177, 7047, 8397, 9019, 17253, 18531, 22081, 25191, 27057, 55593, 66243, 75573, 81171, 166779, 198729, 243513, 500337, 596187, 640349, 730539, 1788561, 1921047, 2191617, 5365683, 5763141, 17289423, 51868269, 155604807]

約数ペア:

[(1, 155604807), (3, 51868269), (9, 17289423), (27, 5763141), (29, 5365683), (71, 2191617), (81, 1921047), (87, 1788561), (213, 730539), (243, 640349), (261, 596187), (311, 500337), (639, 243513), (783, 198729), (933, 166779), (1917, 81171), (2059, 75573), (2349, 66243), (2799, 55593), (5751, 27057), (6177, 25191), (7047, 22081), (8397, 18531), (9019, 17253)]