84075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:91

約数の個数: 24

約数和(自身を含む): 148800

約数和(自身を除く): 64725

約数列:

[1, 3, 5, 15, 19, 25, 57, 59, 75, 95, 177, 285, 295, 475, 885, 1121, 1425, 1475, 3363, 4425, 5605, 16815, 28025, 84075]

約数ペア:

[(1, 84075), (3, 28025), (5, 16815), (15, 5605), (19, 4425), (25, 3363), (57, 1475), (59, 1425), (75, 1121), (95, 885), (177, 475), (285, 295)]