22090887

素因数分解:

$3^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 41883296

約数和(自身を除く): 19792409

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, 20979, 22113, 26973, 28431, 30303, 38961, 45927, 62937, 66339, 80919, 85293, 90909, 116883, 188811, 199017, 242757, 272727, 350649, 566433, 597051, 818181, 1051947, 1699299, 2454543, 3155841, 7363629, 22090887]

約数ペア:

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