205220475

素因数分解:

$3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{9403}}^1$

素因数の和:9516

約数の個数: 36

約数和(自身を含む): 371401576

約数和(自身を除く): 166181101

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 97, 225, 291, 485, 873, 1455, 2425, 4365, 7275, 9403, 21825, 28209, 47015, 84627, 141045, 235075, 423135, 705225, 912091, 2115675, 2736273, 4560455, 8208819, 13681365, 22802275, 41044095, 68406825, 205220475]

約数ペア:

[(1, 205220475), (3, 68406825), (5, 41044095), (9, 22802275), (15, 13681365), (25, 8208819), (45, 4560455), (75, 2736273), (97, 2115675), (225, 912091), (291, 705225), (485, 423135), (873, 235075), (1455, 141045), (2425, 84627), (4365, 47015), (7275, 28209), (9403, 21825)]