20161931049

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19147133}}^1$

素因数の和:19147158

約数の個数: 20

約数和(自身を含む): 32435244996

約数和(自身を除く): 12273313947

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19147133, 57441399, 172324197, 248912729, 516972591, 746738187, 1550917773, 2240214561, 6720643683, 20161931049]

約数ペア:

[(1, 20161931049), (3, 6720643683), (9, 2240214561), (13, 1550917773), (27, 746738187), (39, 516972591), (81, 248912729), (117, 172324197), (351, 57441399), (1053, 19147133)]