81411561

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 160742400

約数和(自身を除く): 79330839

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 81, 99, 133, 171, 189, 209, 229, 231, 243, 297, 399, 513, 567, 627, 687, 693, 891, 1197, 1463, 1539, 1603, 1701, 1881, 2061, 2079, 2519, 2673, 3591, 4351, 4389, 4617, 4809, 5643, 6183, 6237, 7557, 10773, 13053, 13167, 14427, 16929, 17633, 18549, 18711, 22671, 30457, 32319, 39159, 39501, 43281, 47861, 50787, 52899, 55647, 68013, 91371, 117477, 118503, 129843, 143583, 158697, 204039, 274113, 335027, 352431, 355509, 389529, 430749, 476091, 612117, 822339, 1005081, 1057293, 1292247, 1428273, 2467017, 3015243, 3876741, 4284819, 7401051, 9045729, 11630223, 27137187, 81411561]

約数ペア:

[(1, 81411561), (3, 27137187), (7, 11630223), (9, 9045729), (11, 7401051), (19, 4284819), (21, 3876741), (27, 3015243), (33, 2467017), (57, 1428273), (63, 1292247), (77, 1057293), (81, 1005081), (99, 822339), (133, 612117), (171, 476091), (189, 430749), (209, 389529), (229, 355509), (231, 352431), (243, 335027), (297, 274113), (399, 204039), (513, 158697), (567, 143583), (627, 129843), (687, 118503), (693, 117477), (891, 91371), (1197, 68013), (1463, 55647), (1539, 52899), (1603, 50787), (1701, 47861), (1881, 43281), (2061, 39501), (2079, 39159), (2519, 32319), (2673, 30457), (3591, 22671), (4351, 18711), (4389, 18549), (4617, 17633), (4809, 16929), (5643, 14427), (6183, 13167), (6237, 13053), (7557, 10773)]