140203497

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{1223}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 219967488

約数和(自身を除く): 79763991

約数列:

[1, 3, 7, 21, 53, 103, 159, 309, 371, 721, 1113, 1223, 2163, 3669, 5459, 8561, 16377, 25683, 38213, 64819, 114639, 125969, 194457, 377907, 453733, 881783, 1361199, 2645349, 6676357, 20029071, 46734499, 140203497]

約数ペア:

[(1, 140203497), (3, 46734499), (7, 20029071), (21, 6676357), (53, 2645349), (103, 1361199), (159, 881783), (309, 453733), (371, 377907), (721, 194457), (1113, 125969), (1223, 114639), (2163, 64819), (3669, 38213), (5459, 25683), (8561, 16377)]