155115921

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 218009088

約数和(自身を除く): 62893167

約数列:

[1, 3, 43, 67, 129, 131, 137, 201, 393, 411, 2881, 5633, 5891, 8643, 8777, 9179, 16899, 17673, 17947, 26331, 27537, 53841, 377411, 394697, 771721, 1132233, 1184091, 1202449, 2315163, 3607347, 51705307, 155115921]

約数ペア:

[(1, 155115921), (3, 51705307), (43, 3607347), (67, 2315163), (129, 1202449), (131, 1184091), (137, 1132233), (201, 771721), (393, 394697), (411, 377411), (2881, 53841), (5633, 27537), (5891, 26331), (8643, 17947), (8777, 17673), (9179, 16899)]