128419989

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{3821}}^1$

素因数の和:4500

約数の個数: 16

約数和(自身を含む): 181621440

約数和(自身を除く): 53201451

約数列:

[1, 3, 17, 51, 659, 1977, 3821, 11203, 11463, 33609, 64957, 194871, 2518039, 7554117, 42806663, 128419989]

約数ペア:

[(1, 128419989), (3, 42806663), (17, 7554117), (51, 2518039), (659, 194871), (1977, 64957), (3821, 33609), (11203, 11463)]