81265185

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5591}}^1$

素因数の和:5638

約数の個数: 48

約数和(自身を含む): 157023360

約数和(自身を除く): 75758175

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1615, 2907, 4845, 5591, 14535, 16773, 27955, 50319, 83865, 95047, 106229, 251595, 285141, 318687, 475235, 531145, 855423, 956061, 1425705, 1593435, 1805893, 4277115, 4780305, 5417679, 9029465, 16253037, 27088395, 81265185]

約数ペア:

[(1, 81265185), (3, 27088395), (5, 16253037), (9, 9029465), (15, 5417679), (17, 4780305), (19, 4277115), (45, 1805893), (51, 1593435), (57, 1425705), (85, 956061), (95, 855423), (153, 531145), (171, 475235), (255, 318687), (285, 285141), (323, 251595), (765, 106229), (855, 95047), (969, 83865), (1615, 50319), (2907, 27955), (4845, 16773), (5591, 14535)]