19975425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15667}}^1$

素因数の和:15697

約数の個数: 24

約数和(自身を含む): 34970976

約数和(自身を除く): 14995551

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 15667, 47001, 78335, 235005, 266339, 391675, 799017, 1175025, 1331695, 3995085, 6658475, 19975425]

約数ペア:

[(1, 19975425), (3, 6658475), (5, 3995085), (15, 1331695), (17, 1175025), (25, 799017), (51, 391675), (75, 266339), (85, 235005), (255, 78335), (425, 47001), (1275, 15667)]