40172781

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 60383232

約数和(自身を除く): 20210451

約数列:

[1, 3, 11, 33, 53, 103, 159, 223, 309, 583, 669, 1133, 1749, 2453, 3399, 5459, 7359, 11819, 16377, 22969, 35457, 60049, 68907, 130009, 180147, 252659, 390027, 757977, 1217357, 3652071, 13390927, 40172781]

約数ペア:

[(1, 40172781), (3, 13390927), (11, 3652071), (33, 1217357), (53, 757977), (103, 390027), (159, 252659), (223, 180147), (309, 130009), (583, 68907), (669, 60049), (1133, 35457), (1749, 22969), (2453, 16377), (3399, 11819), (5459, 7359)]