19161225

素因数分解:

$3^3\times 5^2\times {\mathrm{28387}}^1$

素因数の和:28406

約数の個数: 24

約数和(自身を含む): 35201120

約数和(自身を除く): 16039895

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 28387, 85161, 141935, 255483, 425805, 709675, 766449, 1277415, 2129025, 3832245, 6387075, 19161225]

約数ペア:

[(1, 19161225), (3, 6387075), (5, 3832245), (9, 2129025), (15, 1277415), (25, 766449), (27, 709675), (45, 425805), (75, 255483), (135, 141935), (225, 85161), (675, 28387)]