79808319

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{17987}}^1$

素因数の和:18039

約数の個数: 24

約数和(自身を含む): 126275760

約数和(自身を除く): 46467441

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 17987, 53961, 161883, 305779, 521623, 917337, 1564869, 2752011, 4694607, 8867591, 26602773, 79808319]

約数ペア:

[(1, 79808319), (3, 26602773), (9, 8867591), (17, 4694607), (29, 2752011), (51, 1564869), (87, 917337), (153, 521623), (261, 305779), (493, 161883), (1479, 53961), (4437, 17987)]