20131191

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 30354480

約数和(自身を除く): 10223289

約数列:

[1, 3, 9, 29, 87, 137, 261, 411, 563, 1233, 1689, 3973, 5067, 11919, 16327, 35757, 48981, 77131, 146943, 231393, 694179, 2236799, 6710397, 20131191]

約数ペア:

[(1, 20131191), (3, 6710397), (9, 2236799), (29, 694179), (87, 231393), (137, 146943), (261, 77131), (411, 48981), (563, 35757), (1233, 16327), (1689, 11919), (3973, 5067)]