227220147

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2143}}^1$

素因数の和:2190

約数の個数: 80

約数和(自身を含む): 448284672

約数和(自身を除く): 221064525

約数列:

[1, 3, 7, 9, 11, 17, 21, 27, 33, 51, 63, 77, 81, 99, 119, 153, 187, 189, 231, 297, 357, 459, 561, 567, 693, 891, 1071, 1309, 1377, 1683, 2079, 2143, 3213, 3927, 5049, 6237, 6429, 9639, 11781, 15001, 15147, 19287, 23573, 35343, 36431, 45003, 57861, 70719, 106029, 109293, 135009, 165011, 173583, 212157, 255017, 327879, 400741, 405027, 495033, 636471, 765051, 983637, 1202223, 1215081, 1485099, 1909413, 2295153, 2805187, 2950911, 3606669, 4455297, 6885459, 8415561, 10820007, 13365891, 20656377, 25246683, 32460021, 75740049, 227220147]

約数ペア:

[(1, 227220147), (3, 75740049), (7, 32460021), (9, 25246683), (11, 20656377), (17, 13365891), (21, 10820007), (27, 8415561), (33, 6885459), (51, 4455297), (63, 3606669), (77, 2950911), (81, 2805187), (99, 2295153), (119, 1909413), (153, 1485099), (187, 1215081), (189, 1202223), (231, 983637), (297, 765051), (357, 636471), (459, 495033), (561, 405027), (567, 400741), (693, 327879), (891, 255017), (1071, 212157), (1309, 173583), (1377, 165011), (1683, 135009), (2079, 109293), (2143, 106029), (3213, 70719), (3927, 57861), (5049, 45003), (6237, 36431), (6429, 35343), (9639, 23573), (11781, 19287), (15001, 15147)]