30911309

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 39567360

約数和(自身を除く): 8656051

約数列:

[1, 11, 13, 19, 31, 143, 209, 247, 341, 367, 403, 589, 2717, 4037, 4433, 4771, 6479, 6973, 7657, 11377, 52481, 76703, 84227, 90649, 125147, 147901, 216163, 997139, 1626911, 2377793, 2810119, 30911309]

約数ペア:

[(1, 30911309), (11, 2810119), (13, 2377793), (19, 1626911), (31, 997139), (143, 216163), (209, 147901), (247, 125147), (341, 90649), (367, 84227), (403, 76703), (589, 52481), (2717, 11377), (4037, 7657), (4433, 6973), (4771, 6479)]