28446045

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 46960128

約数和(自身を除く): 18514083

約数列:

[1, 3, 5, 15, 47, 141, 157, 235, 257, 471, 705, 771, 785, 1285, 2355, 3855, 7379, 12079, 22137, 36237, 36895, 40349, 60395, 110685, 121047, 181185, 201745, 605235, 1896403, 5689209, 9482015, 28446045]

約数ペア:

[(1, 28446045), (3, 9482015), (5, 5689209), (15, 1896403), (47, 605235), (141, 201745), (157, 181185), (235, 121047), (257, 110685), (471, 60395), (705, 40349), (771, 36895), (785, 36237), (1285, 22137), (2355, 12079), (3855, 7379)]