127848721

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{683}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 183399552

約数和(自身を除く): 55550831

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 121, 143, 187, 221, 683, 847, 1001, 1309, 1547, 1573, 2057, 2431, 4781, 7513, 8879, 11011, 11611, 14399, 17017, 26741, 52591, 62153, 81277, 82643, 97669, 127721, 150943, 187187, 578501, 683683, 894047, 1056601, 1074359, 1404931, 1660373, 7520513, 9834517, 11622611, 18264103, 127848721]

約数ペア:

[(1, 127848721), (7, 18264103), (11, 11622611), (13, 9834517), (17, 7520513), (77, 1660373), (91, 1404931), (119, 1074359), (121, 1056601), (143, 894047), (187, 683683), (221, 578501), (683, 187187), (847, 150943), (1001, 127721), (1309, 97669), (1547, 82643), (1573, 81277), (2057, 62153), (2431, 52591), (4781, 26741), (7513, 17017), (8879, 14399), (11011, 11611)]