128547105

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 209139840

約数和(自身を除く): 80592735

約数列:

[1, 3, 5, 15, 113, 181, 339, 419, 543, 565, 905, 1257, 1695, 2095, 2715, 6285, 20453, 47347, 61359, 75839, 102265, 142041, 227517, 236735, 306795, 379195, 710205, 1137585, 8569807, 25709421, 42849035, 128547105]

約数ペア:

[(1, 128547105), (3, 42849035), (5, 25709421), (15, 8569807), (113, 1137585), (181, 710205), (339, 379195), (419, 306795), (543, 236735), (565, 227517), (905, 142041), (1257, 102265), (1695, 75839), (2095, 61359), (2715, 47347), (6285, 20453)]