18034575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 32810400

約数和(自身を除く): 14775825

約数列:

[1, 3, 5, 13, 15, 25, 39, 53, 65, 75, 159, 195, 265, 325, 349, 689, 795, 975, 1047, 1325, 1745, 2067, 3445, 3975, 4537, 5235, 8725, 10335, 13611, 17225, 18497, 22685, 26175, 51675, 55491, 68055, 92485, 113425, 240461, 277455, 340275, 462425, 721383, 1202305, 1387275, 3606915, 6011525, 18034575]

約数ペア:

[(1, 18034575), (3, 6011525), (5, 3606915), (13, 1387275), (15, 1202305), (25, 721383), (39, 462425), (53, 340275), (65, 277455), (75, 240461), (159, 113425), (195, 92485), (265, 68055), (325, 55491), (349, 51675), (689, 26175), (795, 22685), (975, 18497), (1047, 17225), (1325, 13611), (1745, 10335), (2067, 8725), (3445, 5235), (3975, 4537)]