28738875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{6967}}^1$

素因数の和:6996

約数の個数: 32

約数和(自身を含む): 52176384

約数和(自身を除く): 23437509

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 6967, 20901, 34835, 76637, 104505, 174175, 229911, 383185, 522525, 870875, 1149555, 1915925, 2612625, 5747775, 9579625, 28738875]

約数ペア:

[(1, 28738875), (3, 9579625), (5, 5747775), (11, 2612625), (15, 1915925), (25, 1149555), (33, 870875), (55, 522525), (75, 383185), (125, 229911), (165, 174175), (275, 104505), (375, 76637), (825, 34835), (1375, 20901), (4125, 6967)]