87861225

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61657}}^1$

素因数の和:61689

約数の個数: 24

約数和(自身を含む): 152911840

約数和(自身を除く): 65050615

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 61657, 184971, 308285, 924855, 1171483, 1541425, 3514449, 4624275, 5857415, 17572245, 29287075, 87861225]

約数ペア:

[(1, 87861225), (3, 29287075), (5, 17572245), (15, 5857415), (19, 4624275), (25, 3514449), (57, 1541425), (75, 1171483), (95, 924855), (285, 308285), (475, 184971), (1425, 61657)]