15222515

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 23984640

約数和(自身を除く): 8762125

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 2081, 7315, 10405, 14567, 22891, 39539, 72835, 114455, 160237, 197695, 276773, 434929, 801185, 1383865, 2174645, 3044503, 15222515]

約数ペア:

[(1, 15222515), (5, 3044503), (7, 2174645), (11, 1383865), (19, 801185), (35, 434929), (55, 276773), (77, 197695), (95, 160237), (133, 114455), (209, 72835), (385, 39539), (665, 22891), (1045, 14567), (1463, 10405), (2081, 7315)]