28975875

素因数分解:

$3^1\times 5^3\times {\mathrm{77269}}^1$

素因数の和:77287

約数の個数: 16

約数和(自身を含む): 48216480

約数和(自身を除く): 19240605

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 77269, 231807, 386345, 1159035, 1931725, 5795175, 9658625, 28975875]

約数ペア:

[(1, 28975875), (3, 9658625), (5, 5795175), (15, 1931725), (25, 1159035), (75, 386345), (125, 231807), (375, 77269)]