28223.000000

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^2$

素因数の和:74

約数の個数: 27

約数和(自身を含む): 351013

約数和(自身を除く): 161788

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 841, 1305, 2175, 2523, 4205, 6525, 7569, 12615, 21025, 37845, 63075, 189225]

約数ペア:

[(1, 189225), (3, 63075), (5, 37845), (9, 21025), (15, 12615), (25, 7569), (29, 6525), (45, 4205), (75, 2523), (87, 2175), (145, 1305), (225, 841), (261, 725)]