81538173

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{227}}^1\times {\mathrm{373}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 119721888

約数和(自身を除く): 38183715

約数列:

[1, 3, 9, 107, 227, 321, 373, 681, 963, 1119, 2043, 3357, 24289, 39911, 72867, 84671, 119733, 218601, 254013, 359199, 762039, 9059797, 27179391, 81538173]

約数ペア:

[(1, 81538173), (3, 27179391), (9, 9059797), (107, 762039), (227, 359199), (321, 254013), (373, 218601), (681, 119733), (963, 84671), (1119, 72867), (2043, 39911), (3357, 24289)]