138225

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 243040

約数和(自身を除く): 104815

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 97, 285, 291, 475, 485, 1425, 1455, 1843, 2425, 5529, 7275, 9215, 27645, 46075, 138225]

約数ペア:

[(1, 138225), (3, 46075), (5, 27645), (15, 9215), (19, 7275), (25, 5529), (57, 2425), (75, 1843), (95, 1455), (97, 1425), (285, 485), (291, 475)]