240157791

素因数分解:

$3^4\times {\mathrm{557}}^1\times {\mathrm{5323}}^1$

素因数の和:5892

約数の個数: 20

約数和(自身を含む): 359465832

約数和(自身を除く): 119308041

約数列:

[1, 3, 9, 27, 81, 557, 1671, 5013, 5323, 15039, 15969, 45117, 47907, 143721, 431163, 2964911, 8894733, 26684199, 80052597, 240157791]

約数ペア:

[(1, 240157791), (3, 80052597), (9, 26684199), (27, 8894733), (81, 2964911), (557, 431163), (1671, 143721), (5013, 47907), (5323, 45117), (15039, 15969)]