30992819

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 41559840

約数和(自身を除く): 10567021

約数列:

[1, 11, 13, 17, 19, 61, 121, 143, 187, 209, 221, 247, 323, 671, 793, 1037, 1159, 1573, 2057, 2299, 2431, 2717, 3553, 4199, 7381, 8723, 11407, 12749, 13481, 15067, 19703, 26741, 29887, 39083, 46189, 95953, 125477, 140239, 148291, 165737, 216733, 256139, 508079, 1631201, 1823107, 2384063, 2817529, 30992819]

約数ペア:

[(1, 30992819), (11, 2817529), (13, 2384063), (17, 1823107), (19, 1631201), (61, 508079), (121, 256139), (143, 216733), (187, 165737), (209, 148291), (221, 140239), (247, 125477), (323, 95953), (671, 46189), (793, 39083), (1037, 29887), (1159, 26741), (1573, 19703), (2057, 15067), (2299, 13481), (2431, 12749), (2717, 11407), (3553, 8723), (4199, 7381)]