16515495

素因数分解:

$3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:243

約数の個数: 56

約数和(自身を含む): 31163616

約数和(自身を除く): 14648121

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 197, 207, 243, 345, 405, 591, 621, 729, 985, 1035, 1215, 1773, 1863, 2955, 3105, 3645, 4531, 5319, 5589, 8865, 9315, 13593, 15957, 16767, 22655, 26595, 27945, 40779, 47871, 67965, 79785, 83835, 122337, 143613, 203895, 239355, 367011, 611685, 718065, 1101033, 1835055, 3303099, 5505165, 16515495]

約数ペア:

[(1, 16515495), (3, 5505165), (5, 3303099), (9, 1835055), (15, 1101033), (23, 718065), (27, 611685), (45, 367011), (69, 239355), (81, 203895), (115, 143613), (135, 122337), (197, 83835), (207, 79785), (243, 67965), (345, 47871), (405, 40779), (591, 27945), (621, 26595), (729, 22655), (985, 16767), (1035, 15957), (1215, 13593), (1773, 9315), (1863, 8865), (2955, 5589), (3105, 5319), (3645, 4531)]