198075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 347200

約数和(自身を除く): 149125

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 139, 285, 417, 475, 695, 1425, 2085, 2641, 3475, 7923, 10425, 13205, 39615, 66025, 198075]

約数ペア:

[(1, 198075), (3, 66025), (5, 39615), (15, 13205), (19, 10425), (25, 7923), (57, 3475), (75, 2641), (95, 2085), (139, 1425), (285, 695), (417, 475)]