28878345

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22129}}^1$

素因数の和:22169

約数の個数: 24

約数和(自身を含む): 51784200

約数和(自身を除く): 22905855

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 22129, 66387, 110645, 199161, 331935, 641741, 995805, 1925223, 3208705, 5775669, 9626115, 28878345]

約数ペア:

[(1, 28878345), (3, 9626115), (5, 5775669), (9, 3208705), (15, 1925223), (29, 995805), (45, 641741), (87, 331935), (145, 199161), (261, 110645), (435, 66387), (1305, 22129)]