15208963

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 32

約数和(自身を含む): 20160000

約数和(自身を除く): 4951037

約数列:

[1, 7, 11, 29, 49, 77, 139, 203, 319, 343, 539, 973, 1421, 1529, 2233, 3773, 4031, 6811, 9947, 10703, 15631, 28217, 44341, 47677, 74921, 109417, 197519, 310387, 524447, 1382633, 2172709, 15208963]

約数ペア:

[(1, 15208963), (7, 2172709), (11, 1382633), (29, 524447), (49, 310387), (77, 197519), (139, 109417), (203, 74921), (319, 47677), (343, 44341), (539, 28217), (973, 15631), (1421, 10703), (1529, 9947), (2233, 6811), (3773, 4031)]