66272661

素因数分解:

$3^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 80

約数和(自身を含む): 125654144

約数和(自身を除く): 59381483

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 81, 91, 111, 117, 189, 243, 259, 273, 333, 351, 481, 567, 729, 777, 819, 999, 1053, 1443, 1701, 2187, 2331, 2457, 2997, 3159, 3367, 4329, 5103, 6561, 6993, 7371, 8991, 9477, 10101, 12987, 15309, 19683, 20979, 22113, 26973, 28431, 30303, 38961, 45927, 62937, 66339, 80919, 85293, 90909, 116883, 137781, 188811, 199017, 242757, 255879, 272727, 350649, 566433, 597051, 728271, 818181, 1051947, 1699299, 1791153, 2454543, 3155841, 5097897, 7363629, 9467523, 22090887, 66272661]

約数ペア:

[(1, 66272661), (3, 22090887), (7, 9467523), (9, 7363629), (13, 5097897), (21, 3155841), (27, 2454543), (37, 1791153), (39, 1699299), (63, 1051947), (81, 818181), (91, 728271), (111, 597051), (117, 566433), (189, 350649), (243, 272727), (259, 255879), (273, 242757), (333, 199017), (351, 188811), (481, 137781), (567, 116883), (729, 90909), (777, 85293), (819, 80919), (999, 66339), (1053, 62937), (1443, 45927), (1701, 38961), (2187, 30303), (2331, 28431), (2457, 26973), (2997, 22113), (3159, 20979), (3367, 19683), (4329, 15309), (5103, 12987), (6561, 10101), (6993, 9477), (7371, 8991)]