128840463

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{83717}}^1$

素因数の和:83748

約数の個数: 20

約数和(自身を含む): 202597560

約数和(自身を除く): 73757097

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 83717, 251151, 753453, 1590623, 2260359, 4771869, 6781077, 14315607, 42946821, 128840463]

約数ペア:

[(1, 128840463), (3, 42946821), (9, 14315607), (19, 6781077), (27, 4771869), (57, 2260359), (81, 1590623), (171, 753453), (513, 251151), (1539, 83717)]