40681287

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1973}}^1$

素因数の和:2087

約数の個数: 24

約数和(自身を含む): 61588800

約数和(自身を除く): 20907513

約数列:

[1, 3, 9, 29, 79, 87, 237, 261, 711, 1973, 2291, 5919, 6873, 17757, 20619, 57217, 155867, 171651, 467601, 514953, 1402803, 4520143, 13560429, 40681287]

約数ペア:

[(1, 40681287), (3, 13560429), (9, 4520143), (29, 1402803), (79, 514953), (87, 467601), (237, 171651), (261, 155867), (711, 57217), (1973, 20619), (2291, 17757), (5919, 6873)]