28181049

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 42819840

約数和(自身を除く): 14638791

約数列:

[1, 3, 13, 23, 39, 69, 89, 267, 299, 353, 897, 1059, 1157, 2047, 3471, 4589, 6141, 8119, 13767, 24357, 26611, 31417, 79833, 94251, 105547, 316641, 408421, 722591, 1225263, 2167773, 9393683, 28181049]

約数ペア:

[(1, 28181049), (3, 9393683), (13, 2167773), (23, 1225263), (39, 722591), (69, 408421), (89, 316641), (267, 105547), (299, 94251), (353, 79833), (897, 31417), (1059, 26611), (1157, 24357), (2047, 13767), (3471, 8119), (4589, 6141)]