140340753

素因数分解:

$3^2\times 7^2\times {\mathrm{318233}}^1$

素因数の和:318253

約数の個数: 18

約数和(自身を含む): 235811394

約数和(自身を除く): 95470641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 318233, 954699, 2227631, 2864097, 6682893, 15593417, 20048679, 46780251, 140340753]

約数ペア:

[(1, 140340753), (3, 46780251), (7, 20048679), (9, 15593417), (21, 6682893), (49, 2864097), (63, 2227631), (147, 954699), (441, 318233)]