17981631

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 27681264

約数和(自身を除く): 9699633

約数列:

[1, 3, 9, 17, 51, 153, 211, 557, 633, 1671, 1899, 3587, 5013, 9469, 10761, 28407, 32283, 85221, 117527, 352581, 1057743, 1997959, 5993877, 17981631]

約数ペア:

[(1, 17981631), (3, 5993877), (9, 1997959), (17, 1057743), (51, 352581), (153, 117527), (211, 85221), (557, 32283), (633, 28407), (1671, 10761), (1899, 9469), (3587, 5013)]