31290465

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90697}}^1$

素因数の和:90728

約数の個数: 16

約数和(自身を含む): 52242048

約数和(自身を除く): 20951583

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 90697, 272091, 453485, 1360455, 2086031, 6258093, 10430155, 31290465]

約数ペア:

[(1, 31290465), (3, 10430155), (5, 6258093), (15, 2086031), (23, 1360455), (69, 453485), (115, 272091), (345, 90697)]