217907145

素因数分解:

$3^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3209}}^1$

素因数の和:3726

約数の個数: 32

約数和(自身を含む): 388281600

約数和(自身を除く): 170374455

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 503, 1509, 2515, 3209, 4527, 7545, 9627, 13581, 16045, 22635, 28881, 48135, 67905, 86643, 144405, 433215, 1614127, 4842381, 8070635, 14527143, 24211905, 43581429, 72635715, 217907145]

約数ペア:

[(1, 217907145), (3, 72635715), (5, 43581429), (9, 24211905), (15, 14527143), (27, 8070635), (45, 4842381), (135, 1614127), (503, 433215), (1509, 144405), (2515, 86643), (3209, 67905), (4527, 48135), (7545, 28881), (9627, 22635), (13581, 16045)]