69172473

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 100745856

約数和(自身を除く): 31573383

約数列:

[1, 3, 17, 51, 53, 157, 159, 163, 471, 489, 901, 2669, 2703, 2771, 8007, 8313, 8321, 8639, 24963, 25591, 25917, 76773, 141457, 146863, 424371, 435047, 440589, 1305141, 1356323, 4068969, 23057491, 69172473]

約数ペア:

[(1, 69172473), (3, 23057491), (17, 4068969), (51, 1356323), (53, 1305141), (157, 440589), (159, 435047), (163, 424371), (471, 146863), (489, 141457), (901, 76773), (2669, 25917), (2703, 25591), (2771, 24963), (8007, 8639), (8313, 8321)]