16996905

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{919}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 30470400

約数和(自身を除く): 13473495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 411, 685, 919, 1233, 2055, 2757, 3699, 4595, 6165, 8271, 13785, 18495, 24813, 41355, 124065, 125903, 377709, 629515, 1133127, 1888545, 3399381, 5665635, 16996905]

約数ペア:

[(1, 16996905), (3, 5665635), (5, 3399381), (9, 1888545), (15, 1133127), (27, 629515), (45, 377709), (135, 125903), (137, 124065), (411, 41355), (685, 24813), (919, 18495), (1233, 13785), (2055, 8271), (2757, 6165), (3699, 4595)]