1123815

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 2298240

約数和(自身を除く): 1174425

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 139, 147, 165, 231, 245, 385, 417, 539, 695, 735, 973, 1155, 1529, 1617, 2085, 2695, 2919, 4587, 4865, 6811, 7645, 8085, 10703, 14595, 20433, 22935, 32109, 34055, 53515, 74921, 102165, 160545, 224763, 374605, 1123815]

約数ペア:

[(1, 1123815), (3, 374605), (5, 224763), (7, 160545), (11, 102165), (15, 74921), (21, 53515), (33, 34055), (35, 32109), (49, 22935), (55, 20433), (77, 14595), (105, 10703), (139, 8085), (147, 7645), (165, 6811), (231, 4865), (245, 4587), (385, 2919), (417, 2695), (539, 2085), (695, 1617), (735, 1529), (973, 1155)]