201405681

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{877}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 328723200

約数和(自身を除く): 127317519

約数列:

[1, 3, 9, 17, 19, 51, 57, 79, 153, 171, 237, 323, 711, 877, 969, 1343, 1501, 2631, 2907, 4029, 4503, 7893, 12087, 13509, 14909, 16663, 25517, 44727, 49989, 69283, 76551, 134181, 149967, 207849, 229653, 283271, 623547, 849813, 1177811, 1316377, 2549439, 3533433, 3949131, 10600299, 11847393, 22378409, 67135227, 201405681]

約数ペア:

[(1, 201405681), (3, 67135227), (9, 22378409), (17, 11847393), (19, 10600299), (51, 3949131), (57, 3533433), (79, 2549439), (153, 1316377), (171, 1177811), (237, 849813), (323, 623547), (711, 283271), (877, 229653), (969, 207849), (1343, 149967), (1501, 134181), (2631, 76551), (2907, 69283), (4029, 49989), (4503, 44727), (7893, 25517), (12087, 16663), (13509, 14909)]