3897945

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 7338240

約数和(自身を除く): 3440295

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 97, 141, 171, 235, 285, 291, 423, 485, 705, 855, 873, 893, 1455, 1843, 2115, 2679, 4365, 4465, 4559, 5529, 8037, 9215, 13395, 13677, 16587, 22795, 27645, 40185, 41031, 68385, 82935, 86621, 205155, 259863, 433105, 779589, 1299315, 3897945]

約数ペア:

[(1, 3897945), (3, 1299315), (5, 779589), (9, 433105), (15, 259863), (19, 205155), (45, 86621), (47, 82935), (57, 68385), (95, 41031), (97, 40185), (141, 27645), (171, 22795), (235, 16587), (285, 13677), (291, 13395), (423, 9215), (485, 8037), (705, 5529), (855, 4559), (873, 4465), (893, 4365), (1455, 2679), (1843, 2115)]