78357045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21149}}^1$

素因数の和:21189

約数の個数: 32

約数和(自身を含む): 142128000

約数和(自身を除く): 63770955

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 21149, 63447, 105745, 274937, 317235, 401831, 824811, 1205493, 1374685, 2009155, 4124055, 5223803, 6027465, 15671409, 26119015, 78357045]

約数ペア:

[(1, 78357045), (3, 26119015), (5, 15671409), (13, 6027465), (15, 5223803), (19, 4124055), (39, 2009155), (57, 1374685), (65, 1205493), (95, 824811), (195, 401831), (247, 317235), (285, 274937), (741, 105745), (1235, 63447), (3705, 21149)]