1320287787

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1612073}}^1$

素因数の和:1612099

約数の個数: 24

約数和(自身を含む): 2347179744

約数和(自身を除く): 1026891957

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 1612073, 4836219, 11284511, 14508657, 20956949, 33853533, 62870847, 101560599, 146698643, 188612541, 440095929, 1320287787]

約数ペア:

[(1, 1320287787), (3, 440095929), (7, 188612541), (9, 146698643), (13, 101560599), (21, 62870847), (39, 33853533), (63, 20956949), (91, 14508657), (117, 11284511), (273, 4836219), (819, 1612073)]