449955

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:129

約数の個数: 40

約数和(自身を含む): 888624

約数和(自身を除く): 438669

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 101, 135, 165, 297, 303, 405, 495, 505, 891, 909, 1111, 1485, 1515, 2727, 3333, 4455, 4545, 5555, 8181, 9999, 13635, 16665, 29997, 40905, 49995, 89991, 149985, 449955]

約数ペア:

[(1, 449955), (3, 149985), (5, 89991), (9, 49995), (11, 40905), (15, 29997), (27, 16665), (33, 13635), (45, 9999), (55, 8181), (81, 5555), (99, 4545), (101, 4455), (135, 3333), (165, 2727), (297, 1515), (303, 1485), (405, 1111), (495, 909), (505, 891)]