28596843

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 49570560

約数和(自身を除く): 20973717

約数列:

[1, 3, 9, 11, 19, 23, 33, 57, 69, 99, 171, 207, 209, 253, 437, 627, 661, 759, 1311, 1881, 1983, 2277, 3933, 4807, 5949, 7271, 12559, 14421, 15203, 21813, 37677, 43263, 45609, 65439, 113031, 136827, 138149, 167233, 288857, 414447, 501699, 866571, 1243341, 1505097, 2599713, 3177427, 9532281, 28596843]

約数ペア:

[(1, 28596843), (3, 9532281), (9, 3177427), (11, 2599713), (19, 1505097), (23, 1243341), (33, 866571), (57, 501699), (69, 414447), (99, 288857), (171, 167233), (207, 138149), (209, 136827), (253, 113031), (437, 65439), (627, 45609), (661, 43263), (759, 37677), (1311, 21813), (1881, 15203), (1983, 14421), (2277, 12559), (3933, 7271), (4807, 5949)]