221879835

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{290039}}^1$

素因数の和:290067

約数の個数: 24

約数和(自身を含む): 407216160

約数和(自身を除く): 185336325

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 290039, 870117, 1450195, 2610351, 4350585, 4930663, 13051755, 14791989, 24653315, 44375967, 73959945, 221879835]

約数ペア:

[(1, 221879835), (3, 73959945), (5, 44375967), (9, 24653315), (15, 14791989), (17, 13051755), (45, 4930663), (51, 4350585), (85, 2610351), (153, 1450195), (255, 870117), (765, 290039)]