156570021

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:298

約数の個数: 36

約数和(自身を含む): 236533440

約数和(自身を除く): 79963419

約数列:

[1, 3, 9, 41, 79, 123, 131, 237, 369, 393, 711, 1179, 1681, 3239, 5043, 5371, 9717, 10349, 15129, 16113, 29151, 31047, 48339, 93141, 132799, 220211, 398397, 424309, 660633, 1195191, 1272927, 1981899, 3818781, 17396669, 52190007, 156570021]

約数ペア:

[(1, 156570021), (3, 52190007), (9, 17396669), (41, 3818781), (79, 1981899), (123, 1272927), (131, 1195191), (237, 660633), (369, 424309), (393, 398397), (711, 220211), (1179, 132799), (1681, 93141), (3239, 48339), (5043, 31047), (5371, 29151), (9717, 16113), (10349, 15129)]