72128943

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 116812800

約数和(自身を除く): 44683857

約数列:

[1, 3, 9, 17, 23, 51, 69, 103, 153, 199, 207, 309, 391, 597, 927, 1173, 1751, 1791, 2369, 3383, 3519, 4577, 5253, 7107, 10149, 13731, 15759, 20497, 21321, 30447, 40273, 41193, 61491, 77809, 120819, 184473, 233427, 348449, 362457, 471431, 700281, 1045347, 1414293, 3136041, 4242879, 8014327, 24042981, 72128943]

約数ペア:

[(1, 72128943), (3, 24042981), (9, 8014327), (17, 4242879), (23, 3136041), (51, 1414293), (69, 1045347), (103, 700281), (153, 471431), (199, 362457), (207, 348449), (309, 233427), (391, 184473), (597, 120819), (927, 77809), (1173, 61491), (1751, 41193), (1791, 40273), (2369, 30447), (3383, 21321), (3519, 20497), (4577, 15759), (5253, 13731), (7107, 10149)]