81309075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{57059}}^1$

素因数の和:57091

約数の個数: 24

約数和(自身を含む): 141508800

約数和(自身を除く): 60199725

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 57059, 171177, 285295, 855885, 1084121, 1426475, 3252363, 4279425, 5420605, 16261815, 27103025, 81309075]

約数ペア:

[(1, 81309075), (3, 27103025), (5, 16261815), (15, 5420605), (19, 4279425), (25, 3252363), (57, 1426475), (75, 1084121), (95, 855885), (285, 285295), (475, 171177), (1425, 57059)]