216289521

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1181}}^1$

素因数の和:1236

約数の個数: 80

約数和(自身を含む): 411903360

約数和(自身を除く): 195613839

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 51, 57, 63, 81, 119, 133, 153, 171, 189, 323, 357, 399, 459, 513, 567, 969, 1071, 1181, 1197, 1377, 1539, 2261, 2907, 3213, 3543, 3591, 6783, 8267, 8721, 9639, 10629, 10773, 20077, 20349, 22439, 24801, 26163, 31887, 60231, 61047, 67317, 74403, 95661, 140539, 157073, 180693, 183141, 201951, 223209, 381463, 421617, 471219, 542079, 605853, 669627, 1144389, 1264851, 1413657, 1626237, 1817559, 2670241, 3433167, 3794553, 4240971, 8010723, 10299501, 11383659, 12722913, 24032169, 30898503, 72096507, 216289521]

約数ペア:

[(1, 216289521), (3, 72096507), (7, 30898503), (9, 24032169), (17, 12722913), (19, 11383659), (21, 10299501), (27, 8010723), (51, 4240971), (57, 3794553), (63, 3433167), (81, 2670241), (119, 1817559), (133, 1626237), (153, 1413657), (171, 1264851), (189, 1144389), (323, 669627), (357, 605853), (399, 542079), (459, 471219), (513, 421617), (567, 381463), (969, 223209), (1071, 201951), (1181, 183141), (1197, 180693), (1377, 157073), (1539, 140539), (2261, 95661), (2907, 74403), (3213, 67317), (3543, 61047), (3591, 60231), (6783, 31887), (8267, 26163), (8721, 24801), (9639, 22439), (10629, 20349), (10773, 20077)]