1917981

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 24

約数和(自身を含む): 3032120

約数和(自身を除く): 1114139

約数列:

[1, 3, 9, 13, 39, 97, 117, 169, 291, 507, 873, 1261, 1521, 2197, 3783, 6591, 11349, 16393, 19773, 49179, 147537, 213109, 639327, 1917981]

約数ペア:

[(1, 1917981), (3, 639327), (9, 213109), (13, 147537), (39, 49179), (97, 19773), (117, 16393), (169, 11349), (291, 6591), (507, 3783), (873, 2197), (1261, 1521)]