128691255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1663}}^1$

素因数の和:1756

約数の個数: 64

約数和(自身を含む): 260702208

約数和(自身を除く): 132010953

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 67, 77, 105, 165, 201, 231, 335, 385, 469, 737, 1005, 1155, 1407, 1663, 2211, 2345, 3685, 4989, 5159, 7035, 8315, 11055, 11641, 15477, 18293, 24945, 25795, 34923, 54879, 58205, 77385, 91465, 111421, 128051, 174615, 274395, 334263, 384153, 557105, 640255, 779947, 1225631, 1671315, 1920765, 2339841, 3676893, 3899735, 6128155, 8579417, 11699205, 18384465, 25738251, 42897085, 128691255]

約数ペア:

[(1, 128691255), (3, 42897085), (5, 25738251), (7, 18384465), (11, 11699205), (15, 8579417), (21, 6128155), (33, 3899735), (35, 3676893), (55, 2339841), (67, 1920765), (77, 1671315), (105, 1225631), (165, 779947), (201, 640255), (231, 557105), (335, 384153), (385, 334263), (469, 274395), (737, 174615), (1005, 128051), (1155, 111421), (1407, 91465), (1663, 77385), (2211, 58205), (2345, 54879), (3685, 34923), (4989, 25795), (5159, 24945), (7035, 18293), (8315, 15477), (11055, 11641)]