51528855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1180

約数の個数: 64

約数和(自身を含む): 103587840

約数和(自身を除く): 52058985

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 35, 57, 69, 95, 105, 115, 133, 161, 285, 345, 399, 437, 483, 665, 805, 1123, 1311, 1995, 2185, 2415, 3059, 3369, 5615, 6555, 7861, 9177, 15295, 16845, 21337, 23583, 25829, 39305, 45885, 64011, 77487, 106685, 117915, 129145, 149359, 180803, 320055, 387435, 448077, 490751, 542409, 746795, 904015, 1472253, 2240385, 2453755, 2712045, 3435257, 7361265, 10305771, 17176285, 51528855]

約数ペア:

[(1, 51528855), (3, 17176285), (5, 10305771), (7, 7361265), (15, 3435257), (19, 2712045), (21, 2453755), (23, 2240385), (35, 1472253), (57, 904015), (69, 746795), (95, 542409), (105, 490751), (115, 448077), (133, 387435), (161, 320055), (285, 180803), (345, 149359), (399, 129145), (437, 117915), (483, 106685), (665, 77487), (805, 64011), (1123, 45885), (1311, 39305), (1995, 25829), (2185, 23583), (2415, 21337), (3059, 16845), (3369, 15295), (5615, 9177), (6555, 7861)]