28801875

素因数分解:

$3^1\times 5^4\times {\mathrm{15361}}^1$

素因数の和:15384

約数の個数: 20

約数和(自身を含む): 47990888

約数和(自身を除く): 19189013

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 15361, 46083, 76805, 230415, 384025, 1152075, 1920125, 5760375, 9600625, 28801875]

約数ペア:

[(1, 28801875), (3, 9600625), (5, 5760375), (15, 1920125), (25, 1152075), (75, 384025), (125, 230415), (375, 76805), (625, 46083), (1875, 15361)]