248888619

素因数分解:

$3^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:212

約数の個数: 112

約数和(自身を含む): 478471680

約数和(自身を除く): 229583061

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 51, 57, 63, 81, 119, 133, 151, 153, 171, 189, 243, 323, 357, 399, 453, 459, 513, 567, 729, 969, 1057, 1071, 1197, 1359, 1377, 1539, 1701, 2261, 2567, 2869, 2907, 3171, 3213, 3591, 4077, 4131, 4617, 5103, 6783, 7701, 8607, 8721, 9513, 9639, 10773, 12231, 12393, 13851, 17969, 20083, 20349, 23103, 25821, 26163, 28539, 28917, 32319, 36693, 48773, 53907, 60249, 61047, 69309, 77463, 78489, 85617, 86751, 96957, 110079, 146319, 161721, 180747, 183141, 207927, 232389, 235467, 256851, 341411, 438957, 485163, 542241, 549423, 623781, 697167, 770553, 1024233, 1316871, 1455489, 1626723, 1648269, 1871343, 2091501, 3072699, 3950613, 4366467, 4880169, 9218097, 11851839, 13099401, 14640507, 27654291, 35555517, 82962873, 248888619]

約数ペア:

[(1, 248888619), (3, 82962873), (7, 35555517), (9, 27654291), (17, 14640507), (19, 13099401), (21, 11851839), (27, 9218097), (51, 4880169), (57, 4366467), (63, 3950613), (81, 3072699), (119, 2091501), (133, 1871343), (151, 1648269), (153, 1626723), (171, 1455489), (189, 1316871), (243, 1024233), (323, 770553), (357, 697167), (399, 623781), (453, 549423), (459, 542241), (513, 485163), (567, 438957), (729, 341411), (969, 256851), (1057, 235467), (1071, 232389), (1197, 207927), (1359, 183141), (1377, 180747), (1539, 161721), (1701, 146319), (2261, 110079), (2567, 96957), (2869, 86751), (2907, 85617), (3171, 78489), (3213, 77463), (3591, 69309), (4077, 61047), (4131, 60249), (4617, 53907), (5103, 48773), (6783, 36693), (7701, 32319), (8607, 28917), (8721, 28539), (9513, 26163), (9639, 25821), (10773, 23103), (12231, 20349), (12393, 20083), (13851, 17969)]