12157915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 18994176

約数和(自身を除く): 6836261

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1373, 1771, 6865, 8855, 9611, 15103, 31579, 48055, 75515, 105721, 157895, 221053, 347369, 528605, 1105265, 1736845, 2431583, 12157915]

約数ペア:

[(1, 12157915), (5, 2431583), (7, 1736845), (11, 1105265), (23, 528605), (35, 347369), (55, 221053), (77, 157895), (115, 105721), (161, 75515), (253, 48055), (385, 31579), (805, 15103), (1265, 9611), (1373, 8855), (1771, 6865)]