920123841

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71711}}^1$

素因数の和:71781

約数の個数: 32

約数和(自身を含む): 1542094848

約数和(自身を除く): 621971007

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12831, 71711, 215133, 501977, 932243, 1505931, 2796729, 3370417, 6525701, 10111251, 19577103, 23592919, 43815421, 70778757, 131446263, 306707947, 920123841]

約数ペア:

[(1, 920123841), (3, 306707947), (7, 131446263), (13, 70778757), (21, 43815421), (39, 23592919), (47, 19577103), (91, 10111251), (141, 6525701), (273, 3370417), (329, 2796729), (611, 1505931), (987, 932243), (1833, 501977), (4277, 215133), (12831, 71711)]