28309515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145177}}^1$

素因数の和:145198

約数の個数: 16

約数和(自身を含む): 48779808

約数和(自身を除く): 20470293

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 145177, 435531, 725885, 1887301, 2177655, 5661903, 9436505, 28309515]

約数ペア:

[(1, 28309515), (3, 9436505), (5, 5661903), (13, 2177655), (15, 1887301), (39, 725885), (65, 435531), (195, 145177)]