1189409871

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{648887}}^1$

素因数の和:648950

約数の個数: 16

約数和(自身を含む): 1744210944

約数和(自身を除く): 554801073

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 648887, 1946661, 8435531, 25306593, 30497689, 91493067, 396469957, 1189409871]

約数ペア:

[(1, 1189409871), (3, 396469957), (13, 91493067), (39, 30497689), (47, 25306593), (141, 8435531), (611, 1946661), (1833, 648887)]