81256275

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{6121}}^1$

素因数の和:6196

約数の個数: 36

約数和(自身を含む): 148029960

約数和(自身を除く): 66773685

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 177, 225, 295, 531, 885, 1475, 2655, 4425, 6121, 13275, 18363, 30605, 55089, 91815, 153025, 275445, 361139, 459075, 1083417, 1377225, 1805695, 3250251, 5417085, 9028475, 16251255, 27085425, 81256275]

約数ペア:

[(1, 81256275), (3, 27085425), (5, 16251255), (9, 9028475), (15, 5417085), (25, 3250251), (45, 1805695), (59, 1377225), (75, 1083417), (177, 459075), (225, 361139), (295, 275445), (531, 153025), (885, 91815), (1475, 55089), (2655, 30605), (4425, 18363), (6121, 13275)]