27717921

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 54632448

約数和(自身を除く): 26914527

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 37, 47, 63, 69, 77, 99, 111, 141, 161, 207, 231, 253, 259, 329, 333, 407, 423, 483, 517, 693, 759, 777, 851, 987, 1081, 1221, 1449, 1551, 1739, 1771, 2277, 2331, 2553, 2849, 2961, 3243, 3619, 3663, 4653, 5217, 5313, 5957, 7567, 7659, 8547, 9361, 9729, 10857, 11891, 12173, 15651, 15939, 17871, 19129, 22701, 25641, 28083, 32571, 35673, 36519, 39997, 53613, 57387, 65527, 68103, 83237, 84249, 107019, 109557, 119991, 133903, 172161, 196581, 249711, 279979, 359973, 401709, 439967, 589743, 749133, 839937, 1205127, 1319901, 2519811, 3079769, 3959703, 9239307, 27717921]

約数ペア:

[(1, 27717921), (3, 9239307), (7, 3959703), (9, 3079769), (11, 2519811), (21, 1319901), (23, 1205127), (33, 839937), (37, 749133), (47, 589743), (63, 439967), (69, 401709), (77, 359973), (99, 279979), (111, 249711), (141, 196581), (161, 172161), (207, 133903), (231, 119991), (253, 109557), (259, 107019), (329, 84249), (333, 83237), (407, 68103), (423, 65527), (483, 57387), (517, 53613), (693, 39997), (759, 36519), (777, 35673), (851, 32571), (987, 28083), (1081, 25641), (1221, 22701), (1449, 19129), (1551, 17871), (1739, 15939), (1771, 15651), (2277, 12173), (2331, 11891), (2553, 10857), (2849, 9729), (2961, 9361), (3243, 8547), (3619, 7659), (3663, 7567), (4653, 5957), (5217, 5313)]