12723255

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 24261120

約数和(自身を除く): 11537865

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 647, 855, 1035, 1311, 1941, 2185, 3235, 3933, 5823, 6555, 9705, 12293, 14881, 19665, 29115, 36879, 44643, 61465, 74405, 110637, 133929, 184395, 223215, 282739, 553185, 669645, 848217, 1413695, 2544651, 4241085, 12723255]

約数ペア:

[(1, 12723255), (3, 4241085), (5, 2544651), (9, 1413695), (15, 848217), (19, 669645), (23, 553185), (45, 282739), (57, 223215), (69, 184395), (95, 133929), (115, 110637), (171, 74405), (207, 61465), (285, 44643), (345, 36879), (437, 29115), (647, 19665), (855, 14881), (1035, 12293), (1311, 9705), (1941, 6555), (2185, 5823), (3235, 3933)]