16770985

素因数分解:

$5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:171

約数の個数: 40

約数和(自身を含む): 25814016

約数和(自身を除く): 9043031

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 127, 245, 343, 385, 539, 635, 889, 1397, 1715, 2401, 2695, 3773, 4445, 6223, 6985, 9779, 12005, 18865, 26411, 31115, 43561, 48895, 68453, 132055, 217805, 304927, 342265, 479171, 1524635, 2395855, 3354197, 16770985]

約数ペア:

[(1, 16770985), (5, 3354197), (7, 2395855), (11, 1524635), (35, 479171), (49, 342265), (55, 304927), (77, 217805), (127, 132055), (245, 68453), (343, 48895), (385, 43561), (539, 31115), (635, 26411), (889, 18865), (1397, 12005), (1715, 9779), (2401, 6985), (2695, 6223), (3773, 4445)]